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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 law of physics relates the conservation of mechanical energy to potential energy?

3 / 30

3. Why is power considered a scalar quantity in physics?

4 / 30

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

5 / 30

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

6 / 30

6. Which of the following is a non-conservative force?

7 / 30

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

8 / 30

8. The scalar product of two perpendicular vectors is:

9 / 30

9. How does a hydroelectric dam convert energy?

10 / 30

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

11 / 30

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

12 / 30

12. Which of the following processes releases nuclear energy?

13 / 30

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

14 / 30

14. How does a geothermal power plant convert energy?

15 / 30

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

16 / 30

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

17 / 30

17. 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?

18 / 30

18. 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?

19 / 30

19. 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?

20 / 30

20. A force of 40 N is applied at an angle of to the horizontal to move an object 5 m vertically upwards. What is the work done?

21 / 30

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

22 / 30

22. 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?

23 / 30

23. 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?

24 / 30

24. Which device converts chemical energy into electrical energy?

25 / 30

25. The power of an engine is defined as:

26 / 30

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

27 / 30

27. 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?

28 / 30

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

29 / 30

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

30 / 30

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

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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 of the following devices primarily relies on the potential energy stored in a spring?

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

5. The power of an engine is defined as:

6 / 50

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

7 / 50

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

8 / 50

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 / 50

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

10 / 50

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

11 / 50

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

12 / 50

12. 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?

13 / 50

13. 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?

14 / 50

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

15 / 50

15. What does the Work-Energy Theorem state about the total work done on an object in any given situation?

16 / 50

16. What happens to power if the work done remains constant but the time taken is increased?

17 / 50

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

18 / 50

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

19 / 50

19. How is the scalar product (dot product) used in calculating work done by a force?

20 / 50

20. 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?

21 / 50

21. 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?

22 / 50

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

23 / 50

23. In a geothermal power plant, what type of energy is harnessed from the Earth?

24 / 50

24. Which of the following is an example of potential energy?

25 / 50

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

26 / 50

26. A spring with a spring constant of 80 N/m is compressed by 0.1 meters. How much force is required to compress the spring by this amount?

27 / 50

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

28 / 50

28. 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?

29 / 50

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

30 / 50

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

31 / 50

31. What is a common application of electromagnetic energy in communication?

32 / 50

32. 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?

33 / 50

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

34 / 50

34. 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?

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

45. Calculate the work done by a force over a displacement from to meters.

46 / 50

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

47 / 50

47. 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?

48 / 50

48. What is the principle of conservation of mechanical energy?

49 / 50

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

50 / 50

50. What happens to the work done if the angle between the force and displacement is 90 degrees?

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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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