physics experiment 11

Class 11 Physics Practical file With Readings|Class 11 Physics Lab Manual With Readings

Table of Contents

In this Article Sci phy is Providing Class 11 Physics Lab Manual with Readings Or Class 11 Physics Practical File with Readings .

How you can write a practical file means what you should write on left side or what you can write on Right side of file. We are going to tell you in this Article. Read Carefully full Article and if you face difficulty in writing Practical file means How to write Or any question regarding practical file you can ask through “Need Help” Section.

What We can Write on Left Side Of Practical File:

• Aim of Experiment

• Requirement

• Observations / Readings

• Calculations

What We can write on Right Side Of Practical File:

• Formula Used

• Procedure

• Precaution

• Source Of Error

Colour Of Pen To write Practical File ?

To Write Headings You can use Black Pen For Other part of Practical File use Blue pen. Avoid other coloured Pens. For Project file you can use coloured pens but avoid use of coloured Pens on Practical File.

Ball Pen Or Gel Pen to Write Practical File?

Its totally Your choice that whether you want to use Gel pen or Ball Pen. The main thing is that your Practical file must be neat & Clean.

To Draw Diagrams Use Pencil ✏ Only. You Can’t Draw Diagrams with Pen on Practical File.

Is it Necessary to Qualify Practical Exam?

Yes : Qualifying Theory & Practical Exam is Necessary Individually. You must Clear Practical Exam & Theory exam separately.

PDF Of Class 11 Physics Practical File with Readings

Download pdf, list of experiments class 11 physics 👇.

• To Measure Diameter of spherical or Cylendrical Body Using Vernier Calliper.

• To Find Internal Diameter & Depth of a given beaker using a vernier Calliper & hence find it’s Volume.

• To Find Diameter of a given Wire with a screw gauge.

• To measure thickness of Given sheet using screw gauge.

• To find force constant of helical Spring by Plotting a graph between Load & Tension.

• To Measure Radius of Curvature of a given Spherical surface by spherometer.

• Using a Simple Pendulum Plot L -T 2 graph & use it to find effective length of second’s Pendulum.

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What do you mean by Least count?

Least count is smallest measurement that can be made accurately with a measuring instrument. Least count of a measuring instrument is smallest value in the measured quantity that can be resolved on the instrument scale.

Physics Lab Manual Class 11 PDF Download

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Physics is an essential subject of Science in which students learn by doing better than the theory. The Class 11 Physics Lab Manual is prepared to keep in mind the same. It helps students enhance their overall learning by helping them implement theoretical knowledge in practice or the real world. Also, it helps to know the key points to remember when doing an experiment.

The Physics Lab Manual Class 11 in PDF for free is available here for ease of access, students can access the CBSE Class 11 Physics Lab Manual anytime, anywhere they want. A link to access Chapter wise CBSE Class 11 Physics manual in PDF file format is given on this page.

What is Physics Lab Manual Class 11 in PDF?

The CBSE Lab Manual Class 11 for Physics in PDF is an unofficial booklet prepared and released by our subject matter experts to help students better prepare for the practicals and internal assessments.

For ease of access, the Class 11 Physics Lab Manual is prepared in a chapter-wise manner. Students studying in Class 11 should access the lab manual as it will help them better understand the lessons and enable them to prepare for the examination much easier and faster.

Chapter Wise NCERT Physics Lab Manual Class 11 PDF

Every chapter of NCERT Class 11 Physics is considered while developing the NCERT Physics Lab Manual Class 11 PDF. The PDF file of Class 11 Physics is filled with various theories and experiments.

Going through the Chapter-wise NCERT Physics Lab Manual Class 11 PDF help students boost their command of the topics mentioned in the syllabus.

In this section, we have shared links to NCERT Physics Lab Manual Class 11 PDF:

Physics Lab Manual Class 11 for General Introduction
Physics Lab Manual Class 11 for Measurement of Length
Physics Lab Manual Class 11 for Measurement of Mass
Physics Lab Manual Class 11 for Measurement of Time
Physics Lab Manual Class 11 for Vector Addition
Physics Lab Manual Class 11 for Motion Under Gravity and Acceleration due to Gravity
Physics Lab Manual Class 11 for Friction
Physics Lab Manual Class 11 for Motion of a Body Down an Inclined Plane
Physics Lab Manual Class 11 for Elasticity
Physics Lab Manual Class 11 for Atmospheric Pressure
Physics Lab Manual Class 11 for Surface Tension
Physics Lab Manual Class 11 for Viscosity
Physics Lab Manual Class 11 for Thermal Expansion of Solids
Physics Lab Manual Class 11 for Thermal Expansion of Liquids
Physics Lab Manual Class 11 for Thermal Radiation
Physics Lab Manual Class 11 for Heat
Physics Lab Manual Class 11 for Wave Motion and Velocity of Waves
Physics Lab Manual Class 11 for Vibration of Strings and Air Columns
Physics Lab Manual Class 11 for Activities
Physics Lab Manual Class 11 for Experiment

What Includes in NCERT Physics Lab Manual Class 11 PDF?

A Statement followed by Aim, Apparatus/Material Required, Theory, Diagram (if applicable), Procedure, Observations, Calculations, Results/Outcome, Precautions, and Source of Error is the core elements mentioned in the NCERT Physics Lab Manual Class 11 PDF that we provide here.

A brief intro to things mentioned in the Lab Manual of Class 11 Physics is mentioned here:

Statement: The statement is like a question that needs to be answered by students, but in a systemic manner.
Aim: The purpose of the statement or what the given statement wants from students is mentioned in the Aim section.
Apparatus/Material Required: This section contains details of the Material required to complete the experiment mentioned in the form of the statement.
Theory: Based on the topic, the experiments are given in the Lab Manual of CBSE Class 11; therefore, the theory is also explained in the Lab Manual.
Diagram (if applicable): Not all but, in many experiments or practicals students are required to mention the charts.
Procedure: A complete step-by-step process to successfully conducts the experiments are mentioned below.
Observations: The observation section contains all the crucial data produced by the experiment or practical assessment.
Calculations: Many experiments require separate Mathematical calculations which are also available in the Class 11 Physics Lab Manual.
Results/Outcome: The result section requires the input of the total result of an experiment.
Precautions: In order to do an error-free experiment, the precautions are mentioned in the CBSE Class 11 Physics Lab Manual PDF. The precautions ensure, students aren’t making any mistakes.
Source of Error: In case of some error or wrong output in experiments, this section contains the possible source of errors.
MCQ Questions and Answers: Based on the experiments, the CBSE Class 11 Lab Manual contains objective questions along with solutions. These MCQ Questions and answers can be useful when preparing for the viva questions.

Benefits of Class 11 Physics Lab Manual

There are several benefits of the Class 11 Physics Lab Manual that are discussed in this section.

Helps Prepare Practical Notebook of CBSE Class 11 Physics to Submit for Internal Assessment: One of the benefits of the Class 11 Physics Lab Manual is that it helps students prepare the practical notebooks for CBSE Class 11 Physics which can be submitted for the internal assessment.
A Better Preparation for Class 11 Physics Viva Questions: Various short and objective questions are available in the CBSE Class 11 Physics Lab Manual that are very helpful for the viva test as well as helps in answering the MCQ questions in the annual examination of CBSE Class 11.
Helps Develop In-depth Understanding in Class 11 Physics: Due to hands-on experience with practical questions, students develop a better understanding of Class 11 Physics. It helps score better marks in the examination of CBSE Class 11 Physics.

Why Should You Use Physics Lab Manual Class 11?

Since Class 11 Lab Manual Physics is a study material, there are some reasons why students should use the Class 11 Physics Lab Manual.

Hands-on Experience: Class 11 Physics lab manuals provide students with hands-on experience in conducting experiments and analyzing data. This hands-on experience helps students to better understand the concepts they are learning in Class 11 Physics.
Strengthen Concepts: The lab manual of CBSE Class 11 Physics provides a practical way to strengthen the concepts learned in class. Students can apply the theories they learned in class to real-world situations and see how they work in practice.
Develop Skills: With the help of the Physics Lab Manual Class 11 PDF, students develop important skills such as observation, data analysis, and critical thinking. These skills are essential in many fields, not just in physics, and will be useful throughout a student's academic and professional career.
Preparation for Exams: Practicing experiments from the lab manual can help students prepare for their exams. By performing hands-on experiments, students can gain confidence in their abilities and improve their performance in exams.
Due to Safety Reasons: There are safety guidelines and precautions in the Physics lab manual of NCERT Class 11 that students need to follow while conducting experiments. This ensures that students are aware of the risks involved and take necessary precautions to avoid any damage or accident.

When Is the Best Time to Use Physics Lab Manual Class 11 PDF?

Physics Lab Manual is not something to use on a regular basis but it becomes important when the annual examination date comes closer. In this section, we have shared the best time to use Physics Lab Manual Class 11 PDF.

When Preparing for the CBSE Class 11 Physics Examination: At the time of Class 11 Physics exam preparation, students can use the NCERT Class 11 Physics Lab Manual which will help students better prepare for the MCQs as well as it will help them better develop practical knowledge of Physics.
While Preparing the Practical Notebook for Internal Assessment: All the Class 11 students are required to submit the practical notebook before the examination for internal assessment purposes, this is the best time to use the Physics Lab Manual Class 11 in PDF for free of cost.

How to Download Physics Lab Manual Class 11 in PDF for Free?

For ease of access, here, we have a step-by-step guide:

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Physics Lab Manual Class 11, Physics Lab Manual Class 11 PDF, Download Physics Lab Manual Class 11, CBSE Physics Lab Manual Class 11, NCERT Physics Lab Manual Class 11, NCERT Physics Lab Manual Class 11 PDF, Class 11 Physics Lab Manual, How to Download Physics Lab Manual Class 11, Class 11 Physics Lab Manual for CBSE

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A new page opens, Choose Class 11 and you are ready to access the Physics Lab Manual Class in PDF for free.

What Are The Major Skills In Physics Practical Work for Class 11?

There are a few major skills Class 11 students who opted for Physics are expected to have in Physics practical work for Class 11.

Manipulative Skills: One of the most important skills is Manipulative Skills which means, the ability to use hands or body to perform precise movements and control objects or tools.
Observational Skills: Class 11 Students should have the observational skills to perform the practical work of Class 11 Physics. This skill helps students read about instruments and measure physical quantities, keeping the least count in mind.
Drawing Skills: In order to depict the direction of force, tension, current, ray of light etc using suitable lines and arrows in Class 11 Physics, drawing skills are a must.
Reporting Skills: To represent the observational data such as aim, apparatus, the formula used, principle, observation table, calculations and result for the experiment, from the Class 11 Physics experiments, the reporting skills are the most among all the major skills in Physics Practical Work for Class 11.
Process-Oriented Performance Skills: One among many major skills is process-oriented performance skills in which students should have the ability to take the right decision while choosing the tools, instruments, materials, apparatus and chemicals and handle them appropriately.
Product-Oriented Performance Skills: The skill to set up the apparatus according to the plan of the experiment, as well as the ability to verify the errors of the apparatus before attempting the Class 11 Physics practical exam, is known as Product-Oriented Performance skills.
Mathematical Skills: To analyse, collect data, and prepare observations and calculations in Class 11 Physics Practicals, Mathematical Skills are important.

Importance of Class 11 Physics Lab Manual for CBSE Class 11 Exam

The Class 11 Physics Lab Manual for CBSE Class 11, helps students in a variety of ways in the annual exam preparation. Here is the list of points of how the CBSE Class 11 Physics Lab Manual plays an important role in a Class 11 student’s life during exam preparation.

Enhances Problem-Solving Skills: The Physics Lab Manual of Class 11 has a few questions that require students to identify problems, design experiments, and analyze data. This helps students develop problem-solving skills and critical thinking abilities. Due to this skill, students better perform in the final examination of CBSE Class 11.
Improves Accuracy and Precision: Having better accuracy and precision helps students score better marks in the examination. Similarly, performing experiments in the lab requires students to be accurate and precise in their measurements and observations. This helps them improve their scientific skills and develop a better understanding of the importance of accuracy and precision in Class 11 Physics. Due to this skill learnt from the Class 11 Physics Lab Manual, students are able to score impressive marks in the examination.
Helps In Exam Preparation: The lab manual includes a range of experiments that cover the CBSE Class 11 Physics syllabus. Students can use the Lab manual of Class 11 Physics to practice the experiments and become familiar with the types of questions that may be asked in the practical exam.

Common Mistakes to Avoid in Class 11 Physics Practical Exams?

Here are some common mistakes to avoid in Class 11 Physics

Practical Exams that you should improve when practising using the NCERT Class 11 Physics Lab Manual PDF for free of cost.

Not reading the instructions carefully: Many Class 11 students lose marks by not reading the instructions carefully or skipping steps in the Physics experiment. It is important to read the instructions thoroughly before starting the experiment and to follow each step carefully to avoid any type of confusion and doubts.
Not taking accurate measurements: The CBSE Class 11 Physics experiments require accurate measurements. Students should take care to use measuring instruments correctly and record their measurements accurately. It is also important to pay attention to units and significant figures. Because these are the most common mistakes Class 11 students often make in the Physics Practical exam.
Not understanding the concepts: Physics practical work is not just about following procedures; it requires an understanding of the concepts covered. CBSE Class 11 Students should take care to understand the physics principles or theory involved in the experiment, as this will help them interpret their results and draw conclusions.
Not being organized: A messy representation of Practical work also creates several confusions. Class 11 Physics practical exams often involve multiple experiments to be completed within a limited time. Class 11 Students should be organized and manage their time effectively to complete all Physics experiments within the given time frame.
Not presenting the results clearly: In addition to performing the Physics experiment of Class 11, students need to present their results clearly and accurately. It is important to mention the graphs and tables correctly, include units and uncertainties, and provide a clear explanation of the Class 11 Physics Practical results.

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8 amazing physics projects you should try in class 11

April 21, 2024

List of 8 Physics projects you should try in class 11

1. simple pendulum experiment, 2. young’s double slit experiment, 3. boyle’s law experiment, 4. newton’s second law experiment, 5. ohm’s law experiment, 6. photoelectric effect experiment, 7. doppler effect experiment, 8. hall effect experiment, 1. what is the photoelectric effect experiment, 2. what is the significance of the photoelectric effect experiment, 3. what is the doppler effect experiment, 4. what is the significance of the doppler effect experiment, 5. what is the hall effect experiment, 6. what is the significance of the hall effect experiment, 7. what skills can students develop by conducting these experiments, 8. what is the role of physics in our understanding of the natural world, 9. how can educators incorporate these experiments into their curricula.

Physics is a fascinating subject that deals with the study of matter, energy, and the fundamental laws that govern the behavior of the universe. Class 11 is a crucial year for physics students as it lays the foundation for their future studies. During this time, students start exploring the practical aspects of physics and apply their theoretical knowledge to real-life situations. In this article, we will delve deeper into eight amazing physics projects that class 11 students can try.

The simple pendulum experiment is a classic experiment that can be performed in class 11 physics. A simple pendulum consists of a weight suspended from a string or wire. The experiment involves measuring the time period of the pendulum’s oscillations, which is the time it takes for the pendulum to complete one full swing. This time period is affected by the length of the pendulum and the acceleration due to gravity.

The simple pendulum experiment can be conducted with a variety of materials, such as a metal bob, a wooden ball, or a plastic sphere. Additionally, the experiment can be modified to include damping effects, such as air resistance or friction, by attaching a small piece of felt or sandpaper to the string. This can cause the pendulum to slow down over time and exhibit a damping oscillation.

Furthermore, students can explore the use of simple pendulums in modern technologies, such as clocks and seismometers. Pendulum clocks use a pendulum to regulate the movement of the clock’s gears, while seismometers use a pendulum to detect earthquakes and other ground vibrations.

The Young’s double slit experiment is another classic experiment in physics that can be conducted in class 11. The experiment involves shining a beam of light through two narrow slits, creating an interference pattern on a screen placed behind the slits. This pattern is created when the waves of light from each slit interfere with each other constructively and destructively, creating bright and dark fringes on the screen.

Young’s double slit experiment can be conducted with a variety of light sources, such as lasers, LEDs, or incandescent bulbs. Additionally, the experiment can be modified to include different types of slits, such as rectangular or circular, or to use different types of screens, such as frosted glass or photographic paper.

Furthermore, students can explore the use of double slit experiments in modern technologies, such as spectroscopy and interferometry. Spectroscopy uses the interference pattern created by a double slit to measure the wavelengths of light emitted by a sample, while interferometry uses the interference pattern to make precise measurements of distance or angle.

Boyle’s law is a fundamental law of physics that describes the relationship between the pressure and volume of a gas. The law states that the pressure of a gas is inversely proportional to its volume at a constant temperature.

The Boyle’s law experiment can be conducted with a variety of gases, such as air, helium, or carbon dioxide . Additionally, the experiment can be modified to include different types of containers, such as balloons or syringes, or to use different pressure and volume sensors, such as manometers for pressure gauges.

Furthermore, students can explore the applications of gas laws in modern technologies, such as

gas turbines and refrigeration systems. Gas turbines use the expansion of gases to generate power, while refrigeration systems use the compression and expansion of gases to transfer heat and cool spaces.

Newton’s second law is a fundamental law of physics that describes the relationship between force, mass, and acceleration. The law states that the force acting on an object is equal to its mass multiplied by its acceleration.

Newton’s second law experiment can be conducted with a variety of objects, such as toy cars, carts, or weights. Additionally, the experiment can be modified to include different types of surfaces, such as frictionless or rough surfaces, or to use different types of force sensors, such as spring scales or dynamometers.

Furthermore, students can explore the applications of Newton’s second law in modern technologies, such as transportation and aerospace. Newton’s second law is used to design vehicles, rockets, and aircraft, and to calculate their performance and efficiency.

Ohm’s law is a fundamental law of physics that describes the relationship between voltage, current, and resistance in an electrical circuit. The law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance.

The Ohm’s law experiment can be conducted with a variety of materials, such as wires, resistors, or light bulbs. Additionally, the experiment can be modified to include different types of circuits, such as series or parallel circuits, or to use different types of voltage and current sensors, such as multimeters or ammeters.

Furthermore, students can explore the applications of Ohm’s law in modern technologies, such as electronics and power systems. Ohm’s law is used to design and analyze circuits, to calculate the power and efficiency of electrical devices, and to ensure their safety and reliability.

The photoelectric effect is a phenomenon where electrons are emitted from a material when it is exposed to light of a certain frequency or above. The experiment involves using a vacuum tube, a photoelectric cell, and a power supply.

The Photoelectric Effect Experiment can be conducted by first setting up the vacuum tube and photoelectric cell, and then connecting them to the power supply. The vacuum tube contains a metal plate, while the photoelectric cell has a metal cathode and an anode. When light of a certain frequency is shone on the metal plate, electrons are emitted and travel to the cathode, creating a current that can be measured by the anode.

Furthermore, students can explore the applications of the photoelectric effect in other fields, such as solar energy, photocells, and photomultiplier tubes. The photoelectric effect is used to convert light energy into electrical energy and is essential for many modern technologies.

The Doppler effect is a phenomenon where the frequency of a wave appears to change when the source or observer is moving relative to each other. The effect is observed in many types of waves, such as sound, light, and radio waves, and has many practical applications, such as in radar and sonar systems.

The Doppler Effect Experiment can be conducted using a source of sound or light, such as a speaker or a laser, and a detector, such as a microphone or a photodiode. The source and detector are placed at a fixed distance from each other, and the frequency of the source is varied by changing its distance or velocity.

Furthermore, students can explore the applications of the Doppler effect in other fields, such as astronomy, medicine, and transportation. The Doppler effect is used to measure the motion and properties of celestial objects, such as stars and galaxies, and is used in medical imaging techniques, such as ultrasound and MRI. Additionally, the Doppler effect is used in speed guns and radar systems for traffic control and law enforcement.

The Hall effect is a phenomenon where a voltage is generated perpendicular to a current flow in a material when it is exposed to a magnetic field. The effect is observed in many types of materials, such as semiconductors and metals, and has many practical applications, such as in sensors and transistors.

The Hall Effect Experiment can be conducted using a sample of material, a power supply, a magnet, and a voltmeter. The sample is connected to the power supply and the voltmeter, and a magnetic field is applied perpendicular to the current flow. The voltage generated by the Hall effect can be measured by the voltmeter.

Furthermore, students can explore the applications of the Hall effect in other fields, such as automotive and aerospace engineering. The Hall effect is used in sensors for detecting magnetic fields, such as in compasses and position sensors for robotics and automotive applications. Additionally, the Hall effect is used in transistors and other electronic devices for controlling and amplifying electrical signals.

In conclusion, these eight physics projects are a great way for students in class 11 to explore and understand various concepts of physics. By conducting these experiments, students can gain hands-on experience and develop their problem-solving and analytical skills. These projects also provide an opportunity for students to explore the applications of physics in modern technology and industries.

Frequently Asked Questions (FAQs)

The Photoelectric Effect Experiment is a physics experiment that demonstrates the effect of light on the movement of electrons in a metal.

The Photoelectric Effect Experiment is significant because it helped to establish the wave-particle duality of light, and led to the development of quantum mechanics.

The Doppler Effect Experiment is a physics experiment that demonstrates the change in frequency of a wave due to the relative motion of the source and the observer.

The Doppler Effect Experiment is significant because it has practical applications in fields such as astronomy, medical imaging, and radar technology.

The Hall Effect Experiment is a physics experiment that demonstrates the effect of a magnetic field on the movement of electrons in a conductor.

The Hall Effect Experiment is significant because it has practical applications in fields such as sensing magnetic fields, robotics, and automotive engineering.

By conducting these experiments, students can develop skills such as critical thinking, problem-solving, and experimental design.

Physics helps us to understand the fundamental principles that govern the behavior of the natural world, from the smallest subatomic particles to the largest structures in the universe.

Educators can incorporate these experiments into their curricula by providing students with hands-on learning opportunities, encouraging them to ask questions and explore new ideas.

10. What is the potential impact of these experiments on students’ long-term learning and career paths?

By engaging in these experiments, students can develop a lifelong love of learning and gain exposure to exciting and rewarding career opportunities in fields such as physics, engineering, and technology.

Year 11 Physics Practical Investigation | Acceleration Experiment

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Looking for Examples of Year 11 Physics Practical Investigations?

One of the most common practical investigations that students perform in Year 11 Physics course is acceleration related experiments. In this article, you’ll find a complete Physics practical report on ‘Acceleration down an inclined plane’ experiment including detailed discussions on experimental errors.

This Year 11 Physics practical report consists of:

Quantitative analysis

Qualitative analysis, acceleration down an inclined plane.

When an object moves freely down a frictionless inclined plane, its acceleration is directly proportional to the angle of inclination of the plane.

To determine the relationship between the acceleration of an object down an inclined plane and the angle of inclination of the inclined plane.

In situations where the acceleration of an object is constant, the following three equations of motion can be used to describe and predict the motion of the object:

\begin{aligned} v&=u+at \\ v^2&=u^2+2as \\ s&=ut+\dfrac{1}{2}at^2 \end{aligned}

s is the displacement,
u is the initial velocity,
v is the final velocity,
a is the acceleration,
t is the time interval of the motion in question.

The negative sign in the value of g = – 9.8ms –2 is used to indicate vertically downward direction.

The following equipment was used:

Toy car with smoothly spinning wheels
Solid inclined plane of 1 metre length with variable inclination
Box to catch toy car when it travels off the end of the inclined plane
Smartphone camera or other video recorder.

All regular safety procedures are followed (including closed shoes, long hair tied back). Additionally, the toy car is caught by a box (not a person) to avoid possible impact injury. Also the inclined plane is supported by a strong bracket to prevent collapse onto hands while adjusting.

The equipment is set up as shown in the Figure below, where \theta is the angle of inclination of the inclined plane:

The following procedure was used:

Measure the length of the ramp to confirm it is 1 metre.
Set the inclined plane to an angle of inclination \theta=10\degree .
Hold the toy car at the top of the ramp, aligning the back of the car with the edge of the ramp. Have the camera ready to record.
Start recording video and release the car, without pushing it, allowing it to roll freely down the ramp into the catching box.
Repeat steps 3-4 twice more.
Increase \theta by 10\degree .
Repeat steps 3-6 up to and including \theta=90\degree .
From all of the video recordings, find the time taken for the back of the car to reach the bottom of the ramp for each trial.

The results for the times taken for the toy car to roll down the ramp are shown in the table below. When \theta=0 the car was not seen to move along the ramp, so no time of travel could be recorded.

In quantitative analysis, we are required to:

Perform calculations and analyse the results of the experiment by plotting and drawing a line of best fit.
Use the gradient of the line of best fit, i n conjunction with control variables, to calculate the unknown variable .

For each value of \theta , find the average time for the toy car to traverse the plane.

From the average time for each inclination angle, find the acceleration of the toy car.

The displacement travelled is s=1\ m , while the initial velocity is u=0ms^{-1} . So acceleration can be found like this:

\begin{aligned} s&=ut+\frac{1}{2}at^2 \\ s&=0+\frac{1}{2}at^2\\2s&=at^2\\a&=\dfrac{2s}{t^2} \\ \therefore a&=\dfrac{2}{t^2} \end{aligned}

The acceleration for each inclination angle is shown in the table below.

Graph the relationship between the acceleration of the toy car and the angle of inclination of the ramp.

Physics Practical - Graph of acceleration vs angle of inclination

Comment on the relationship between \vec{a} vs \theta . Can a line of best fit be drawn? The graph shows that acceleration is proportional to inclination angle ( \vec{a} \propto \theta ). The graph also shows that the relationship between \vec{a} and \theta is non-linear , so a line of best fit cannot be drawn.

Non-linear Graphs Sometimes when we graph data, the relationship appears to be non-linear. This prevents us from drawing a line of best fit and finding its gradient. In such situations it is a useful technique to modify one or both of the axes, in order to make the graph linear. For example, a parabola with equation y = x 2 could be made to look linear by graphing y vs x 2 instead of y vs x. That doesn’t mean it is linear (it’s still a parabola!) it just means it looks linear, so a line of best fit can be drawn. But what axes do we use to make the graph of ā vs θ a linear graph? To do this we would need to understand why the graph is non-linear, which would allow us to predict what sort of function the graph is expected to show. To understand what function the graph of ā vs θ is expected to describe, we need to discuss gravity fields and specifically weight force, and how the weight force determines acceleration down an inclined plane. This is tackled in Module 2: Dynamics.

For more on drawing graphs for year 11 physics practical investigations, read the Matrix guide on Drawing Graphs and Lines of Best Fit .

In qualitative analysis, we evaluate the method and the experimental errors.

Question 1 Discuss the accuracy of your results. Can the accuracy of all the data points be determined? Does the accuracy of the point at \theta=0 really tell us anything?

The accuracy of all the data points cannot be determined, since the expected relationship between \vec{a} a and \theta is not known. The accuracy of the data point at ( \theta=0 , \vec{a}=0 ) only indicates that the inclined plane was indeed completely horizontal for a measured angle of \theta=0 .

Only the accuracy of the last data point, where \theta= 90\degree , can be determined since in this case the toy car simply falls straight down. The expected downward acceleration in this case is \vec{a} = 9.8 \ ms^{-2} , but \vec{a} = 8.0 \ ms^{-2} (2 significant figures) was measured. This is a difference of 1.8 \ ms^{-2} which is an 18% difference. This is not very accurate.

Question 2 Discuss possible sources of systematic error that may have affected the accuracy of your results, and suggest improvements.

The toy car is very low mass and does not have a very aerodynamic shape. Hence the air resistance force it encountered would have made it fall slower. Using a heavier and more aerodynamic toy car would decrease the relative amount of air resistance as it fell straight down when \theta=90\degree .

Question 3 Discuss the reliability of your results. Can the reliability of all the data points be determined? Does the reliability of the point at \theta=0 really tell us anything?

Since the toy car did not move when \theta=0 and no time to travel could be recorded, the “reliability” of this data point is not useful.Even though the expected relationship between \vec{a} and \theta is not known, the reliability of all data points can be assessed by comparing individual trials with each other, for each value of \theta .

Comparing trials for any given value of \theta shows that the range of values is always within 7% of the average. The steeper angles show even less variability of trials (1-2%) compared to the average.

Question 4 Discuss possible sources of random error that may have affected your results, and suggest improvements. The toy car was released by hand. Even though care was taken to not push the car down the ramp, there is still random error associated with human control of the apparatus. Using a mechanical gate to hold then quickly release the car would eliminate this source of random error.

For more information on how to perform more advanced data analysis for physics practical investigations read the article on How to Study for Physics Data Analysis Task .

Despite the lack of a relevant theoretical prediction to indicate the expected relationship of \vec{a} vs \theta , we showed that the acceleration of a toy car down an inclined plane is clearly proportional to the angle of inclination. This relationship was clear in the presence of moderately large systematic errors and small random errors.

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DJ is the founder of Learnable and has a passionate interest in education and technology. He is also the author of Physics resources on Learnable.

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Module 2 'dynamics' practice test | year 11 physics, module 1 'kinematics' practice test | year 11 physics, how to answer 'compare' physics questions | hsc physics key verb series part 2.

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Class 11 Physics Lab Experiments

Welcome to our comprehensive collection of Class 11 Physics Laboratory Experiments, complete with a detailed manual to guide you through each session. This curated list encompasses a range of experiments designed to provide students with hands-on experience in the fascinating realm of Physics engineering. The accompanying manual serves as an invaluable companion, offering a structured approach to each experiment, ensuring clarity in understanding the apparatus required, step-by-step procedures, meticulous observation guidelines, and a systematic recording of results.

Each experiment has been meticulously crafted to cover key concepts and principles, allowing students to apply theoretical knowledge to practical scenarios. The manual not only facilitates a smooth execution of the experiments but also includes viva questions to stimulate critical thinking and reinforce theoretical foundations. Whether you are a novice or an experienced learner, this compilation is a comprehensive resource that aims to enhance your understanding of Class 11 Physics phenomena through a structured and engaging laboratory experience.

Experiment list of Class 11 Physics Lab

1. Force of Limiting Friction and Normal Reaction Experiment
2. Simple Pendulum experiment to plot L-T graphs
3. Measurement of the weight of a given body (a wooden block) using the parallelogram law of vector addition
4. To determine mass of two different objects using a beam balance
5. To determine the radius of curvature of a given spherical surface by a spherometer
6. Screw gauge experiment to measure diameter of wire
7. Vernier callipers experiment to measure diameter of spherical or cylindrical body

Class 11 Physics Laboratory Programm Outcomes for the Students

This repository of Class 11 Physics lab experiments and its accompanying manual is a treasure trove for students delving into the world of Physics engineering. The manual provides a detailed roadmap for each experiment, outlining the required apparatus, step-by-step procedures, guidelines for observations, and a systematic format for recording results. The experiments cover a spectrum of topics, allowing learners to explore the intricacies of experiment fundamentals, devices, and phenomena. The inclusion of viva questions adds an interactive dimension, encouraging students to delve deeper into the theoretical underpinnings of each experiment and fostering a holistic understanding of the subject matter. Whether you are gearing up for examinations or simply seeking to deepen your practical knowledge, this collection promises a rewarding journey through the practical aspects of Physics engineering.

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Physics experiment
Class 11 physics: Experiment Part 1
SOLUTION: Class 11 PHYSICS PRACTICAL FILE WITH ALL EXPERIMENT SOLUTIONS
Class 11 physics: Experiment Part 5
Physics Science Experiments for Elementary Aged Kids
Physics Student Experiment Year 11

COMMENTS

Eleventh Grade, Physics Science Projects - Science Buddies
In physics class, you have probably rolled your eyes at some point after being assigned a "projectile motion" homework problem where you use equations to predict how a ball will move through the air. This experiment will show you just how fun that problem can be by using a real catapult to launch a ball and videotaping it as it flies along its ...
Class 11 Physics Practical file With Readings|Class 11 ...
Nov 6, 2024 · List Of Experiments Class 11 Physics 👇 • To Measure Diameter of spherical or Cylendrical Body Using Vernier Calliper. • To Find Internal Diameter & Depth of a given beaker using a vernier Calliper & hence find it’s Volume.
Physics Lab Manual Class 11 PDF Download - SelfStudys
Reporting Skills: To represent the observational data such as aim, apparatus, the formula used, principle, observation table, calculations and result for the experiment, from the Class 11 Physics experiments, the reporting skills are the most among all the major skills in Physics Practical Work for Class 11.
Eleventh Grade, Physics Science Experiments
Uncover the laws of the universe with physics experiments. Explore motion, energy, and the fundamental forces of nature. ... Cosmetic Chemistry (11) Exoplanets (3) ...
Laboratory Manual PHYSICS - NCERT
Each experiment, activity, project and demonstration suggested in this manual have been tried out by the experts and teachers befor e incorporating them. W e sincerely hope that students and teachers will get motivated to perform these experiments supporting various concepts of physics thereby enriching teaching learning process and experiences.
Class 11 Physics Practicals | PDF - Scribd
This document outlines several physics practical experiments for Class XI students. It includes experiments to measure length, mass, vector addition, motion under gravity and acceleration due to gravity, friction, and motion down an inclined plane. For each experiment, students are instructed to document the aim, apparatus, relevant formulas, diagrams, observations, calculations, results ...
8 amazing physics projects you should try in class 11 - Lab Wale
Apr 21, 2024 · The simple pendulum experiment is a classic experiment that can be performed in class 11 physics. A simple pendulum consists of a weight suspended from a string or wire. The experiment involves measuring the time period of the pendulum’s oscillations, which is the time it takes for the pendulum to complete one full swing.
Year 11 Physics Practical Investigation | Acceleration Experiment
One of the most common practical investigations that students perform in Year 11 Physics course is acceleration related experiments. In this article, you’ll find a complete Physics practical report on ‘Acceleration down an inclined plane’ experiment including detailed discussions on experimental errors.
Class 11 Physics Lab Experiments - EngineeringByte
This repository of Class 11 Physics lab experiments and its accompanying manual is a treasure trove for students delving into the world of Physics engineering. The manual provides a detailed roadmap for each experiment, outlining the required apparatus, step-by-step procedures, guidelines for observations, and a systematic format for recording ...
Eleventh Grade, Physics Projects, Lessons, Activities
In physics class, you have probably rolled your eyes at some point after being assigned a "projectile motion" homework problem where you use equations to predict how a ball will move through the air. This experiment will show you just how fun that problem can be by using a real catapult to launch a ball and videotaping it as it flies along its ...