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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 SI unit of work?

2 / 30

2. Why is the concept of potential energy essential when using the Work-Energy Theorem?

3 / 30

3. If a force of 15 N is applied at an angle of to the horizontal, and the object moves horizontally a distance of 6 m, what is the work done?

4 / 30

4. Which of the following properties does the scalar product of two vectors satisfy?

5 / 30

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

6 / 30

6. In which of the following systems is chemical energy most critical?

7 / 30

7. Which of the following is an example of kinetic energy being converted into potential energy?

8 / 30

8. What is the definition of work in physics?

9 / 30

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

10 / 30

10. A skier slides down a hill and reaches the bottom with a certain speed. How does the Work-Energy Theorem relate to the skier's motion?

11 / 30

11. Which of the following is an example of thermal energy being converted to mechanical energy?

12 / 30

12. An electric motor has a power rating of 2.5 kilowatts (kW). How much energy does it consume in 2 hours of operation?

13 / 30

13. Which electromagnetic wave is primarily responsible for the sensation of warmth from sunlight?

14 / 30

14. If the work done on an object is negative according to the Work-Energy Theorem, what does this imply about its kinetic energy change?

15 / 30

15. A car accelerates from rest down a frictionless hill. What conservation law explains the conversion of potential energy to kinetic energy?

16 / 30

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

17 / 30

17. How does a pogo stick utilize the potential energy stored in a spring?

18 / 30

18. A pump does 1200 joules of work in 30 seconds. What is its power output in kilowatts (kW)?

19 / 30

19. Which physical quantity does power depend on?

20 / 30

20. A force varies with position as , where is in meters. Calculate the work done by this force over a displacement from m to m.

21 / 30

21. Define the work-energy theorem.

22 / 30

22. A force of 18 N is applied vertically downwards on an object that moves vertically downwards a distance of 5 m. What is the work done?

23 / 30

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

24 / 30

24. A motor does 5000 J of work in 10 seconds. What is its power output?

25 / 30

25. If a spring with a spring constant k is compressed by 0.5 meters, how does the potential energy change if the compression is doubled?

26 / 30

26. A pendulum is released from a certain height. At what point in its swing is the conservation of mechanical energy most evident?

27 / 30

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

28 / 30

28. In an isolated system, if the kinetic energy of an object decreases, what must happen to its potential energy?

29 / 30

29. What is the definition of power in physics?

30 / 30

30. 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?

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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. Which physical quantity does power depend on?

2 / 50

2. What does the distributive property of the scalar product allow us to do?

3 / 50

3. Which electromagnetic waves are commonly used in medical imaging to visualize bones and tissues inside the body?

4 / 50

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

5 / 50

5. Which of the following best describes the work done by a conservative force?

6 / 50

6. Which law of physics relates the conservation of mechanical energy to potential energy?

7 / 50

7. According to Einstein's equation (E = mc²), what happens to the total mass of a system when energy is released?

8 / 50

8. 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?

9 / 50

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

10 / 50

10. If a force of 10 N moves an object 5 meters in the direction of the force, what is the work done?

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

14. How is the work done by a force calculated when the force and displacement are in opposite directions?

15 / 50

15. Which element is commonly used as fuel in nuclear fission reactors?

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

19. 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?

20 / 50

20. A car engine delivers 150 horsepower. What is the approximate power output of the engine in kilowatts (kW)?

21 / 50

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

22 / 50

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

23 / 50

23. What is electromagnetic energy?

24 / 50

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

25 / 50

25. In which of the following scenarios is the potential energy of a spring utilized?

26 / 50

26. Which unit of power is named after the Scottish engineer who played a significant role in the development of steam engines?

27 / 50

27. In a wind turbine, which form of energy is converted into electrical energy?

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

31. A light bulb consumes 60 watts of electrical power. If the bulb operates for 5 hours, how much energy does it consume?

32 / 50

32. Which physical quantity is obtained by the scalar product of the position vector and the force vector in rotational motion?

33 / 50

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

34 / 50

34. What happens to the kinetic energy of an object if its mass is doubled while its velocity remains constant?

35 / 50

35. A bullet fired from a gun possesses kinetic energy due to its:

36 / 50

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

37 / 50

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

38 / 50

38. In a frictionless roller coaster, a car starts at the top of a hill with a certain amount of potential energy. What happens to this energy as the car descends?

39 / 50

39. What is chemical energy?

40 / 50

40. What does the concept of mass-energy equivalence, as described by Einstein's equation (E = mc²), suggest?

41 / 50

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

42 / 50

42. Which property of the scalar product is demonstrated by ?

43 / 50

43. What is the primary mechanism by which solar panels convert sunlight into electricity?

44 / 50

44. Define the work-energy theorem.

45 / 50

45. What type of energy is exhibited by a compressed spring?

46 / 50

46. When a hammer strikes a nail, the work done is primarily converted into:

47 / 50

47. What is Hooke's Law?

48 / 50

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

49 / 50

49. If a spring with a spring constant k is compressed by 0.5 meters, how does the potential energy change if the compression is doubled?

50 / 50

50. A compressed spring is used to launch a ball horizontally. Which conservation law can be used to analyze the energy conversion in this scenario?

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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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