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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. Which form of energy is transferred by electromagnetic waves?

2 / 30

2. 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?

3 / 30

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

4 / 30

4. Which factor affects power output in mechanical systems?

5 / 30

5. In a mechanical system, what does an increase in power indicate?

6 / 30

6. An object of mass 5 kg has a kinetic energy of 100 J. What is its velocity?

7 / 30

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

8 / 30

8. A force of 10 N is applied horizontally to move an object 5 m along a frictionless surface. What is the work done?

9 / 30

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

10 / 30

10. A force of 12 N is applied at an angle of to the horizontal. If the object moves a distance of 8 m horizontally, what is the work done?

11 / 30

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

12 / 30

12. If a ball is thrown vertically upwards and reaches its highest point, what happens to its kinetic energy according to the conservation of mechanical energy?

13 / 30

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

14 / 30

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

15 / 30

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

16 / 30

16. What type of energy does a stretched spring possess?

17 / 30

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

18 / 30

18. How does the Work-Energy Theorem explain the motion of a rocket in space?

19 / 30

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

20 / 30

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

21 / 30

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

22 / 30

22. Which type of energy transformation occurs in a battery-powered flashlight?

23 / 30

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

24 / 30

24. An object of mass 2 kg is moving with a velocity of 3 m/s. What is its kinetic energy?

25 / 30

25. 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?

26 / 30

26. What is one common application of spring potential energy in vehicles?

27 / 30

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

28 / 30

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

29 / 30

29. A roller coaster is designed to convert potential energy into kinetic energy and vice versa. What must be true for the conservation of mechanical energy to hold in this system?

30 / 30

30. A cyclist exerts a force of 200 N to maintain a speed of 5 m/s. What is the power output of the cyclist?

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

2 / 50

2. Which of the following conditions results in zero work being done?

3 / 50

3. An object of mass 5 kg is moving with a velocity of 10 m/s. How much work is done to double its kinetic energy?

4 / 50

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

5 / 50

5. A cyclist exerts a force of 200 N to maintain a speed of 5 m/s. What is the power output of the cyclist?

6 / 50

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

7 / 50

7. What type of energy does a stretched spring possess?

8 / 50

8. A car accelerates from rest to 30 m/s. If the work done on the car by the engine is 150,000 J, what is its mass?

9 / 50

9. What type of energy is associated with the random motion of particles in a substance?

10 / 50

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

11 / 50

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

12 / 50

12. What does high power mean in practical terms?

13 / 50

13. What happens to power output if the time taken to do work decreases while the amount of work done remains constant?

14 / 50

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

15 / 50

15. How does the human body utilize chemical energy?

16 / 50

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

17 / 50

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

18 / 50

18. In a diesel engine, power output is often measured in:

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

24. Two identical springs are compressed by different amounts. Spring A is compressed by 0.1 meters and Spring B by 0.2 meters. How does the elastic potential energy stored in Spring B compare to that in Spring A?

25 / 50

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

26 / 50

26. What principle does the Work-Energy Theorem illustrate about energy in mechanical systems?

27 / 50

27. 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?

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

31. What is the relationship between horsepower (hp) and kilowatts (kW)?

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

38. 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?

39 / 50

39. Which type of energy is stored in the bonds of chemical compounds?

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

43. A diver jumps off a diving board with an initial horizontal velocity. What conservation law explains the relationship between his potential and kinetic energy as he falls?

44 / 50

44. Which energy transformation occurs when a person jumps from a diving board into a swimming pool?

45 / 50

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

46 / 50

46. A roller coaster car starts from rest at a height of 50 meters. Assuming no friction, what happens to its potential energy as it descends?

47 / 50

47. A skier starts from rest at the top of a slope. Ignoring friction, what happens to the skier’s potential energy as they descend?

48 / 50

48. Which of the following statements is true about the conservation of energy?

49 / 50

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

50 / 50

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

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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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