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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 type of energy transformation occurs in a microwave oven?

2 / 30

2. Which of the following units is used to measure mechanical power?

3 / 30

3. In terms of work done by a force, if the angle between the force vector and the displacement vector is , what is the work done?

4 / 30

4. A force of 30 N is applied at an angle of to the horizontal to move an object 10 m horizontally. What is the work done?

5 / 30

5. Which principle supports the idea that mechanical energy can neither be created nor destroyed, only transformed between kinetic and potential forms?

6 / 30

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

7 / 30

7. How does power relate to the ability to perform tasks quickly in physics?

8 / 30

8. Which form of energy is associated with an object’s position in a gravitational field?

9 / 30

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

10 / 30

10. In which form of energy do we classify the energy stored in food?

11 / 30

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

12 / 30

12. What type of potential energy is stored in a dam?

13 / 30

13. How does the scalar product change if both vectors are scaled by a factor of ?

14 / 30

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

15 / 30

15. In the context of chemical reactions, what is potential energy often referred to as?

16 / 30

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

17 / 30

17. What type of power is used to describe the electrical energy consumed by a device?

18 / 30

18. In the context of work done by a force, the scalar product is used to calculate:

19 / 30

19. An object is moved 4 meters to the right while a constant force of 5 N acts to the left. What is the work done by this force?

20 / 30

20. What is potential energy?

21 / 30

21. Which energy conversion process occurs in a car engine?

22 / 30

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

23 / 30

23. Which type of power is typically associated with internal combustion engines?

24 / 30

24. How does a geothermal power plant convert energy?

25 / 30

25. What unit is used for mass (m) in Einstein's equation (E = mc²)?

26 / 30

26. If a force of 30 N is applied horizontally to move an object 8 m vertically upwards, what is the work done?

27 / 30

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

28 / 30

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

29 / 30

29. Which type of energy do wind turbines convert into electrical energy?

30 / 30

30. A device operates at 5000 watts (W). What is its power output in kilowatts (kW)?

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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. A force of 12 N is applied at an angle of to the horizontal to move an object 8 m horizontally. What is the work done?

2 / 50

2. Which physical quantity does power depend on?

3 / 50

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

4 / 50

4. Which device converts chemical energy into electrical energy?

5 / 50

5. A spring is compressed by a force. When the spring is released, what type of energy does it primarily convert into, according to the Work-Energy Theorem?

6 / 50

6. In a perfectly elastic collision, what happens to the mechanical energy of the system?

7 / 50

7. In a roller coaster ride, which form of energy changes most significantly throughout the ride?

8 / 50

8. How is work calculated when the force is applied at an angle to the direction of displacement?

9 / 50

9. Which type of energy transformation occurs in a hydroelectric power plant?

10 / 50

10. In a mechanical clock, how is the potential energy of a spring used?

11 / 50

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

12 / 50

12. Which of the following machines typically converts electrical power into mechanical power?

13 / 50

13. How is the work done by a variable force over a displacement generally calculated?

14 / 50

14. In the context of work done by a force, the scalar product is used to calculate:

15 / 50

15. Which energy conversion occurs in a photocopier?

16 / 50

16. A motor lifts a 50 kg weight to a height of 10 meters in 5 seconds. What is the power output of the motor?

17 / 50

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

18 / 50

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

19 / 50

19. Which aspect of Einstein's equation (E = mc²) implies that a small amount of mass can release a large amount of energy?

20 / 50

20. What form of potential energy is stored in a compressed spring?

21 / 50

21. A force of 5 N acts on an object, moving it a distance of 10 m. If the object's initial speed was 2 m/s and its mass is 3 kg, what is its final kinetic energy?

22 / 50

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

23 / 50

23. What is the work done by gravity when an object falls freely under the influence of gravity?

24 / 50

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

25 / 50

25. A cyclist coasts down a hill without pedaling or braking. Assuming negligible air resistance and friction, how does the conservation of mechanical energy apply?

26 / 50

26. What type of power is used to describe the electrical energy consumed by a device?

27 / 50

27. What is the role of thermal energy in the phase change from solid to liquid?

28 / 50

28. How is the potential energy stored in a spring used in a car's suspension system?

29 / 50

29. In the context of the Work-Energy Theorem, what does the term "mechanical energy" refer to?

30 / 50

30. Which of the following best explains why chemical energy is considered a form of potential energy?

31 / 50

31. If a spring is compressed by 0.1 meters and the potential energy stored is 0.5 J, what is the spring constant?

32 / 50

32. Which concept is fundamental to the application of the Work-Energy Theorem to various mechanical situations?

33 / 50

33. A force of 8 N is applied at an angle of above the horizontal to move an object 4 m horizontally. What is the work done?

34 / 50

34. In a pendulum clock, what happens to the kinetic energy when the pendulum reaches its lowest point?

35 / 50

35. Define work done by a variable force.

36 / 50

36. An archer pulls back a bowstring, storing energy in the bow. When the arrow is released, what conservation law describes the energy transformation?

37 / 50

37. Which theorem is used to relate the work done on an object to its kinetic energy change?

38 / 50

38. A force of 15 N is applied vertically downwards on an object that moves vertically upwards a distance of 4 m. What is the work done?

39 / 50

39. What is the SI unit of work done by a variable force?

40 / 50

40. If the displacement of a spring is halved, how does the elastic potential energy change?

41 / 50

41. In a mouse trap, what is the potential energy of the spring used for?

42 / 50

42. In terms of work done by a force, if the angle between the force vector and the displacement vector is , what is the work done?

43 / 50

43. If a spring is compressed by 0.05 meters and the potential energy stored is 0.125 J, what is the spring constant?

44 / 50

44. 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?

45 / 50

45. A light bulb has a power rating of 60 watts (W). How much energy does it consume in 5 hours?

46 / 50

46. A spring with a spring constant of 300 N/m is compressed by 0.1 meters. What is the force applied to the spring?

47 / 50

47. How does the scalar product change if both vectors are scaled by a factor of ?

48 / 50

48. What does a positive scalar product of two vectors indicate about the angle between them?

49 / 50

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

50 / 50

50. A spring with a spring constant of 400 N/m is stretched by 0.15 meters. What is the potential energy stored in the spring?

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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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