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

2 / 30

2. The energy possessed by an object due to its height above the ground is called:

3 / 30

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

4 / 30

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

5 / 30

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

6 / 30

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

7 / 30

7. What is the work done by a constant force if the displacement is zero?

8 / 30

8. A force of 30 N is applied at an angle of to the horizontal to move an object 10 m horizontally. What is the work done?

9 / 30

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

10 / 30

10. 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?

11 / 30

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

12 / 30

12. A pendulum swings back and forth. According to the conservation of mechanical energy, what happens to its total mechanical energy over time?

13 / 30

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

14 / 30

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

15 / 30

15. 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?

16 / 30

16. Thermal energy is also known as:

17 / 30

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

18 / 30

18. What is the primary function of power in machines and devices?

19 / 30

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

20 / 30

20. In the context of conservation of mechanical energy, what is the role of non-conservative forces like friction?

21 / 30

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

22 / 30

22. 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?

23 / 30

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

24 / 30

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

25 / 30

25. Define the work-energy theorem.

26 / 30

26. Which of the following best explains why chemical energy is considered a form of potential energy?

27 / 30

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

28 / 30

28. For vectors and with an angle between them, which of the following represents the dot product ?

29 / 30

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

30 / 30

30. 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?

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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 the SI unit of work done by a variable force?

2 / 50

2. 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?

3 / 50

3. Which of the following best describes the Work-Energy Theorem?

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

7. A force of 25 N is applied at an angle of to the horizontal to move an object 10 m horizontally. What is the work done?

8 / 50

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

9 / 50

9. An object starts from rest and reaches a velocity of 10 m/s due to a constant force. How much work was done on the object if its mass is 2 kg?

10 / 50

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

11 / 50

11. A force of 30 N is applied at an angle of to the horizontal to move an object 10 m horizontally. What is the work done?

12 / 50

12. 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?

13 / 50

13. 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?

14 / 50

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

15 / 50

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

16 / 50

16. How does a geothermal power plant convert energy?

17 / 50

17. What is the SI unit of work?

18 / 50

18. Which of the following machines typically converts electrical power into mechanical power?

19 / 50

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

20 / 50

20. Which device uses the conversion of kinetic energy into electrical energy?

21 / 50

21. What is the formula for calculating elastic potential energy in a spring?

22 / 50

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

23 / 50

23. Thermal energy is also known as:

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

27. Which type of machine typically operates using mechanical power?

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

30 / 50

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

31 / 50

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

32 / 50

32. What is the work done by gravity when an object falls freely under the influence of gravity?

33 / 50

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

34 / 50

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

35 / 50

35. Which of the following is true for the scalar product of a vector with the zero vector?

36 / 50

36. A pendulum swings back and forth. According to the conservation of mechanical energy, what happens to its total mechanical energy over time?

37 / 50

37. A machine performs work at a rate of 500 joules per second. What is the power output of the machine?

38 / 50

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

39 / 50

39. How does the Work-Energy Theorem contribute to solving problems involving motion and forces?

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. A wind turbine generates electricity with a power output of 1.5 megawatts (MW). How much energy does it produce in 24 hours of continuous operation?

45 / 50

45. Which type of power is typically associated with internal combustion engines?

46 / 50

46. 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?

47 / 50

47. What is the effect on the scalar product if one of the vectors is scaled by a factor of 2?

48 / 50

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

49 / 50

49. 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?

50 / 50

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

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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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