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. If a spring is stretched 0.2 meters from its equilibrium position and has a spring constant of 50 N/m, what is its elastic potential energy?

2 / 30

2. In the absence of non-conservative forces, what happens to the mechanical energy of a system?

3 / 30

3. If a machine does 600 joules of work in 3 seconds, what is its power output?

4 / 30

4. When using the Work-Energy Theorem, why is it important to consider all forces acting on an object?

5 / 30

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

6 / 30

6. If a force acts on an object displacing it from to meters, what is the work done?

7 / 30

7. When a bicycle is pedaled, which form of energy is primarily responsible for propelling the bicycle forward?

8 / 30

8. Which process involves the transfer of thermal energy through direct contact?

9 / 30

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

10 / 30

10. What type of energy transformation occurs in a microwave oven?

11 / 30

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

12 / 30

12. 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?

13 / 30

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

14 / 30

14. When a force of magnitude acts at an angle to the direction of displacement , the work done is given by:

15 / 30

15. What is the power output if a device does 8000 joules of work in 20 seconds?

16 / 30

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

17 / 30

17. What happens to the elastic potential energy if the spring constant is halved while keeping the displacement constant?

18 / 30

18. When a tennis ball is hit by a racket, which energy transformation primarily occurs?

19 / 30

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

20 / 30

20. If a force varies with displacement as , where is in meters, and it moves from m to m, what is the work done?

21 / 30

21. 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?

22 / 30

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

23 / 30

23. What type of reaction is primarily responsible for the release of chemical energy in cells?

24 / 30

24. A compressed spring is used to launch a toy car. What happens to the potential energy stored in the spring?

25 / 30

25. The work done by a constant force acting on an object that undergoes a displacement is given by:

26 / 30

26. How is power calculated when work is done over time ?

27 / 30

27. 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?

28 / 30

28. What is the spring constant (k) if a force of 100 N is required to compress a spring by 0.5 meters?

29 / 30

29. What is the definition of power in physics?

30 / 30

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

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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. When a tennis ball is hit by a racket, which energy transformation primarily occurs?

2 / 50

2. The scalar product of two vectors and can be geometrically interpreted as which of the following?

3 / 50

3. When using the Work-Energy Theorem, why is it important to consider all forces acting on an object?

4 / 50

4. Define work done by a variable force.

5 / 50

5. A pendulum at its highest point has:

6 / 50

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

7 / 50

7. Which of the following is a non-SI unit of power commonly used in the context of engines and motors?

8 / 50

8. Which process involves the transfer of thermal energy through direct contact?

9 / 50

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

10 / 50

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

11 / 50

11. Thermal energy is also known as:

12 / 50

12. What is a major advantage of nuclear fusion over nuclear fission as an energy source?

13 / 50

13. What is the definition of power in physics?

14 / 50

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

15 / 50

15. What is the effect of ultraviolet (UV) radiation from the sun on human skin?

16 / 50

16. What is the relationship between power (P), force (F), and velocity (v)?

17 / 50

17. If a pendulum is released from a height of 1 meter, what can be said about its kinetic energy at the lowest point of its swing?

18 / 50

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

19 / 50

19. In the absence of non-conservative forces, what happens to the mechanical energy of a system?

20 / 50

20. If and , what is the angle between and given that ?

21 / 50

21. Which situation describes higher power output?

22 / 50

22. If a spring is stretched by 0.25 meters with a force of 25 N, what is the spring constant?

23 / 50

23. Which of the following represents the scalar product in the context of work done by a force?

24 / 50

24. If a force of 20 N acts on an object and moves it a distance of 5 m, how much work is done according to the Work-Energy Theorem?

25 / 50

25. If , what property of the scalar product is illustrated?

26 / 50

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

27 / 50

27. Which term describes the energy associated with the motion of an object?

28 / 50

28. A ball is thrown vertically upward with an initial velocity. At its highest point, what can be said about its kinetic and potential energy?

29 / 50

29. How does a hydroelectric dam convert energy?

30 / 50

30. In a car crash, which type of energy is primarily responsible for causing damage?

31 / 50

31. A spring with a spring constant of 600 N/m is stretched by 0.1 meters. What is the potential energy stored in the spring?

32 / 50

32. What is the power output if a device does 240 joules of work in 12 seconds?

33 / 50

33. In a hydroelectric power plant, water stored at height is released to generate electricity. What conservation principle is utilized in this process?

34 / 50

34. 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?

35 / 50

35. Why is the conservation of mechanical energy useful in analyzing physical systems?

36 / 50

36. A force of 5 N acts on an object in the direction of displacement 3 m. What is the work done?

37 / 50

37. A person pushes a wall with a force of 100 N but the wall does not move. How much work is done on the wall?

38 / 50

38. Which of the following indicates that the scalar product of two vectors is a scalar quantity?

39 / 50

39. In a hydroelectric power plant, which form of energy is used to generate electricity?

40 / 50

40. 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?

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

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

46 / 50

46. What type of reactions in stars are governed by the principles of mass-energy equivalence?

47 / 50

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

48 / 50

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

49 / 50

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

50 / 50

50. Which of the following best describes 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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