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Class 11 Physics — Chapter 6: Work, Energy, and Power Online Test

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Class 11 Physics: Work, Energy, and Power Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. What is the definition of power in physics?

2 / 20

2. What energy conversion process occurs in a coal-fired power plant?

3 / 20

3. Which type of electromagnetic wave is used in remote sensing and satellite imagery?

4 / 20

4. What is a common use of nuclear energy besides electricity generation?

5 / 20

5. What is the primary source of chemical energy for most living organisms?

6 / 20

6. What is the specific heat capacity of a substance?

7 / 20

7. What role does spring potential energy play in a jack-in-the-box toy?

8 / 20

8. A spring with a spring constant of 250 N/m is compressed by 0.2 meters. What is the potential energy stored in the spring?

9 / 20

9. A spring has a spring constant of 200 N/m. What is the elastic potential energy stored when the spring is stretched by 0.2 meters?

10 / 20

10. A satellite orbits Earth in a circular path. Assuming no external forces, what happens to the satellite's total mechanical energy?

11 / 20

11. A block is dropped from a height of 10 meters. Neglecting air resistance, what happens to the block's kinetic energy just before it hits the ground?

12 / 20

12. Which law of physics is used to calculate elastic potential energy in a spring?

13 / 20

13. What happens to the elastic potential energy of a spring if its spring constant is doubled?

14 / 20

14. What is the relationship between power, work, and time?

15 / 20

15. Which situation describes higher power output?

16 / 20

16. When a block slides down a frictionless inclined plane, what happens to its potential energy according to the conservation of mechanical energy?

17 / 20

17. When a force acts on an object, causing it to move in the direction of the force, what happens to the object's kinetic energy according to the Work-Energy Theorem?

18 / 20

18. An object of mass 4 kg is moving with a velocity of 6 m/s. How much work is required to bring it to rest?

19 / 20

19. A force of 15 N acts on an object, causing it to accelerate at 5 m/s². If the object moves a distance of 10 m, how much work is done?

20 / 20

20. If an object's velocity triples, how does its kinetic energy change, assuming its mass remains constant?

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Class 11 Physics: Work, Energy, and Power Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. What is the speed of light (c) in Einstein's equation (E = mc²)?

2 / 30

2. What is the primary source of electromagnetic energy on Earth?

3 / 30

3. Calculate the work done by a force over a displacement from m to m.

4 / 30

4. A spring with a spring constant of 250 N/m is compressed by 0.02 meters. What is the force applied to the spring?

5 / 30

5. Why is energy conservation important in modern society?

6 / 30

6. Calculate the work done by a force over a displacement from m to m.

7 / 30

7. If a force of 20 N is applied horizontally to move an object 5 m vertically upwards, what is the work done?

8 / 30

8. Which factor primarily determines the amount of gravitational potential energy possessed by an object?

9 / 30

9. A mass-spring system oscillates with a maximum displacement of 0.3 meters and a spring constant of 100 N/m. What is the maximum elastic potential energy stored in the spring?

10 / 30

10. Which of the following is an example of chemical energy?

11 / 30

11. What is the relationship between power and energy transfer?

12 / 30

12. When a person jumps on a trampoline, what happens to their kinetic energy as they reach the maximum height of the jump?

13 / 30

13. A force of 40 N is applied at an angle of to the horizontal to move an object 12 m horizontally. What is the work done?

14 / 30

14. What happens to the total mechanical energy of a system when only conservative forces are acting?

15 / 30

15. What is the work done by a constant force if the displacement is zero?

16 / 30

16. In practical terms, what phenomenon demonstrates the conversion of mass into energy according to Einstein's equation?

17 / 30

17. What type of energy is associated with the motion of an object?

18 / 30

18. Which gym equipment uses spring potential energy to provide resistance?

19 / 30

19. A spring is stretched 0.2 meters by a force of 10 N. What is the spring constant?

20 / 30

20. What is the scalar product (dot product) of two vectors and ?

21 / 30

21. What is the potential energy stored in a spring with a spring constant of 500 N/m when it is compressed by 0.1 meters?

22 / 30

22. What is mechanical power?

23 / 30

23. If a force N acts on an object that undergoes a displacement m, what is the work done?

24 / 30

24. Which type of energy is most important for the operation of electrical appliances?

25 / 30

25. Which theoretical concept did Einstein develop to explain the equivalence of mass and energy?

26 / 30

26. Which SI unit is used to measure kinetic energy?

27 / 30

27. In the context of torque, the scalar product is used to calculate which of the following?

28 / 30

28. Which of the following best describes the spring constant (k) in Hooke's Law?

29 / 30

29. If a force of 10 N acts in the direction of displacement of 5 m, what is the work done?

30 / 30

30. What type of energy conversion occurs when burning wood in a campfire?

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Class 11 Physics: Work, Energy, and Power Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. What is elastic potential energy?

2 / 50

2. Calculate the work done by a force over a displacement from m to m.

3 / 50

3. What device is commonly used to initiate and sustain nuclear fission reactions in a controlled manner?

4 / 50

4. What is the formula for kinetic energy (KE) of an object of mass moving with velocity ?

5 / 50

5. Which of the following is true for the scalar product of a vector with the zero vector?

6 / 50

6. Which of the following best describes the role of control rods in a nuclear reactor?

7 / 50

7. If a force of 15 N is applied at an angle of above the horizontal to move an object 4 m horizontally, what is the work done?

8 / 50

8. A force of 25 N is applied vertically downwards on an object that moves vertically upwards a distance of 6 m. What is the work done?

9 / 50

9. Which of the following toys uses the potential energy stored in a spring?

10 / 50

10. A spring with a spring constant of 200 N/m is compressed by 0.2 m. Calculate the potential energy stored in the spring.

11 / 50

11. A force acts on an object displacing it from m to m. Calculate the work done.

12 / 50

12. What is the formula for calculating elastic potential energy in a stretched spring?

13 / 50

13. If a block slides down a frictionless inclined plane, what happens to its potential energy?

14 / 50

14. If an object's velocity triples, how does its kinetic energy change, assuming its mass remains constant?

15 / 50

15. A pendulum at its highest point has:

16 / 50

16. Which of the following processes involves the conversion of chemical energy to electrical energy?

17 / 50

17. In the equation E = mc², what does 'c' represent?

18 / 50

18. What is the relationship between power, work, and time?

19 / 50

19. What type of energy is primarily involved when water at the top of a waterfall flows to the bottom?

20 / 50

20. If an object is displaced at an angle to the applied force, which component of the force is used to calculate work done?

21 / 50

21. What is the process by which energy changes from one form to another?

22 / 50

22. A force of 18 N is applied horizontally to move an object 6 m vertically upwards. What is the work done?

23 / 50

23. State the formula derived from the Work-Energy Theorem that relates the work done by a constant force to the change in kinetic energy.

24 / 50

24. Which of the following is true about the scalar product of orthogonal vectors?

25 / 50

25. How does the kinetic energy of an object change if its velocity is tripled?

26 / 50

26. A skier starts from rest at the top of a frictionless slope. Using conservation laws, what can you predict about the skier's speed at the bottom of the slope?

27 / 50

27. Which unit is commonly used to measure thermal energy?

28 / 50

28. Which law states that energy cannot be created or destroyed, only transferred or converted from one form to another?

29 / 50

29. What does the equation E = mc² represent?

30 / 50

30. Which situation describes higher power output?

31 / 50

31. If a force does negative work on an object, what does this imply according to the Work-Energy Theorem?

32 / 50

32. Which of the following is an example of kinetic energy?

33 / 50

33. What is the SI unit of power?

34 / 50

34. Why is thermal energy important in climate systems?

35 / 50

35. What type of energy transformation occurs in a solar-powered calculator?

36 / 50

36. What type of energy does a rock at the edge of a cliff have?

37 / 50

37. Which formula represents the relationship between power, work, and time?

38 / 50

38. If a spring with a spring constant of 200 N/m is compressed by 0.1 meters, what is the potential energy stored in the spring?

39 / 50

39. How can the Work-Energy Theorem be applied to calculate the speed of an object after it has been acted upon by a constant force over a certain distance?

40 / 50

40. What is the relationship between work done on an object and its change in kinetic energy ?

41 / 50

41. Define the work-energy theorem.

42 / 50

42. Which of the following represents the geometric interpretation of the scalar product in terms of angle?

43 / 50

43. If the net work done on an object is zero, what can be said about its kinetic energy?

44 / 50

44. What is the primary source of electromagnetic energy on Earth?

45 / 50

45. What is the formula for the potential energy stored in a compressed or stretched spring?

46 / 50

46. Which of the following conditions must be met for work to be done on an object?

47 / 50

47. If the velocity of an object is halved, how does its kinetic energy change, assuming its mass remains constant?

48 / 50

48. Which form of energy is transferred by electromagnetic waves?

49 / 50

49. When two vectors and are aligned in the same direction, what is their scalar product?

50 / 50

50. If a ball is thrown vertically upwards and reaches its maximum height, what can be said about its kinetic energy according to the Work-Energy Theorem?

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Practice Work, Energy, and Power MCQs
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Class 11 Physics — Chapter 6: Work, Energy, and Power Online Test

The Work, Energy, and Power Online Test for Class 11 Physics helps you test your understanding of work–energy relations, conservation of energy, and power calculations in real exam style. Solve MCQ-based mock papers with instant evaluation and get a certificate when you clear Paper 3. All tests strictly follow the NCERT/CBSE Class 11 syllabus and are suitable for JEE / NEET Foundation preparation.

These tests simulate real question-paper formats with time limits and mixed difficulty levels. Check your performance instantly, analyze weak areas, and improve accuracy. Every paper is free, auto-checked, and mobile-friendly, allowing unlimited retakes.

About this Online Test

This chapter-wise online test set for Work, Energy, and Power includes three structured papers to enhance learning step by step:

  • Paper 1 — Basics: 20 questions · 30 min · Pass ≥ 40%
  • Paper 2 — Mixed Practice: 30 questions · 45 min · Pass ≥ 50% · New set each attempt
  • Paper 3 — Challenge: 50 questions · 75 min · Pass ≥ 70% · Certificate on pass

Papers 2 and 3 randomly select fresh questions on every attempt, ensuring broader concept coverage. Each paper is timed, automatically graded, and includes full answer review for self-assessment.

Key Topics Covered (Work, Energy, and Power)

  • Work done by constant and variable forces
  • Work–Energy Theorem and its applications
  • Kinetic and Potential Energy
  • Conservation of Mechanical Energy
  • Power and instantaneous power
  • Elastic and inelastic collisions
  • Spring energy and energy graphs
  • Numericals on energy transformations

How the Test Works

Choose a paper, answer MCQs within the allotted time, and submit to view your marks, accuracy, and explanations. Each attempt helps track improvement and builds confidence for school and competitive exams.

On-Screen Features

  • Timed environment with progress bar
  • Auto-submit on timeout
  • Instant scorecard and answer-key review
  • Fresh question sets for Papers 2 and 3
  • Unlimited attempts without login

Who Should Attempt

  • Class 11 CBSE/NCERT students revising Chapter 6
  • JEE and NEET aspirants focusing on energy-based numericals
  • Bridge learners strengthening mechanics before Class 12
  • Teachers / tutors assigning ready-made online papers

Why This Test Helps

  • Improves problem-solving speed for energy and power questions
  • Checks understanding through real-time feedback
  • Builds exam discipline with timed practice
  • Completely free and safe—no signup required

Preparation Tips

  • Revise formulas for work, energy, and power before attempting Paper 1.
  • Focus on Work–Energy Theorem and conservation principles.
  • Practice numerical questions on potential energy and power output.
  • Attempt Paper 3 under timed conditions for exam-level confidence.

Important Instructions

  • Do not refresh or close the window during the test.
  • Use the latest version of Chrome / Edge browser.
  • Stable internet connection is recommended for smooth submission.

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