Class 11 Physics: Work, Energy, And Power Online Test | Mock

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 of the following scenarios would result in a negative scalar product?

2 / 30

2. A force of 15 N is applied vertically upwards on an object that moves vertically upwards a distance of 3 m. What is the work done?

3 / 30

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

4 / 30

4. How does a wind turbine convert energy?

5 / 30

5. Which of the following scenarios represents a higher power output?

6 / 30

6. Which energy conversion occurs in a photocopier?

7 / 30

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

8 / 30

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

9 / 30

9. The work done by a constant force is directly proportional to which of the following?

10 / 30

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

11 / 30

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

12 / 30

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

13 / 30

13. What happens to the elastic potential energy of a spring if its spring constant is doubled?

14 / 30

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

15 / 30

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

16 / 30

16. 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?

17 / 30

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

18 / 30

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

19 / 30

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

20 / 30

20. 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?

21 / 30

21. What is nuclear energy?

22 / 30

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

23 / 30

23. In calculating the power delivered by a force, which product is used?

24 / 30

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

25 / 30

25. If a ball is thrown vertically upwards and reaches its maximum height, what can be said about its kinetic energy according to the Work-Energy Theorem?

26 / 30

26. What is the scalar product of two vectors and if the angle between them is ?

27 / 30

27. A skier starts from rest at the top of a frictionless slope. Using conservation laws, what can you predict about the skier's speed at the bottom of the slope?

28 / 30

28. 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?

29 / 30

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

30 / 30

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

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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 is Hooke's Law?

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

8. A spring with a spring constant of 150 N/m is stretched by 0.2 meters. What is the potential energy stored in the spring?

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

12. If the work done on an object is negative, what does this imply about its kinetic energy change?

13 / 50

13. What is the practical implication of Einstein's equation (E = mc²)?

14 / 50

14. What is a common use of nuclear energy besides electricity generation?

15 / 50

15. A roller coaster car is at the top of a loop-the-loop. Assuming no friction, what happens to its total mechanical energy as it moves through the loop?

16 / 50

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

17 / 50

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

18 / 50

18. What is the definition of work in physics?

19 / 50

19. 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?

20 / 50

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

21 / 50

21. What type of energy does a rock at the edge of a cliff have?

22 / 50

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

23 / 50

23. 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?

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

29. A force of 20 N is applied vertically upwards on an object that moves vertically upwards a distance of 5 m. What is the work done?

30 / 50

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

31 / 50

31. A body is said to be in equilibrium if:

32 / 50

32. 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?

33 / 50

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

34 / 50

34. For vectors and with a scalar product , what can be inferred about the vectors?

35 / 50

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

36 / 50

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

37 / 50

37. Which of the following is a major challenge in harnessing nuclear fusion for energy production on Earth?

38 / 50

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

39 / 50

39. If vectors and are orthogonal, what is their scalar product?

40 / 50

40. A skier starts from rest at the top of a frictionless slope. Using conservation laws, what can you predict about the skier's speed at the bottom of the slope?

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

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

46 / 50

46. How does a wind turbine convert energy?

47 / 50

47. Why is energy conservation important in modern society?

48 / 50

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

49 / 50

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

50 / 50

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

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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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