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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 of the following is an example of chemical energy?

2 / 30

2. A spring with a spring constant of 400 N/m is stretched by 0.15 meters. What is the potential energy stored in the spring?

3 / 30

3. What is Hooke's Law?

4 / 30

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

5 / 30

5. What is the total mechanical energy of a system?

6 / 30

6. Which of the following forces is considered conservative?

7 / 30

7. What type of energy is associated with the motion of an object?

8 / 30

8. What type of energy is crucial for plants during photosynthesis?

9 / 30

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

10 / 30

10. A spring with a spring constant of 250 N/m is compressed by 0.02 meters. What is the force applied to the spring?

11 / 30

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

12 / 30

12. What is the specific heat capacity of a substance?

13 / 30

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

14 / 30

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

15 / 30

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

16 / 30

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

17 / 30

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

18 / 30

18. If a spring is stretched by 0.25 meters with a force of 25 N, what is the spring constant?

19 / 30

19. In the context of the Work-Energy Theorem, what happens if the net work done on an object is zero?

20 / 30

20. 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?

21 / 30

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

22 / 30

22. In the equation E = mc², what does 'c' represent?

23 / 30

23. If a force varies with displacement as , where is in meters, and it moves from m to m, what is the work done?

24 / 30

24. Which factor primarily determines the amount of gravitational potential energy possessed by an object?

25 / 30

25. A spring with a spring constant of 600 N/m is stretched by 0.1 meters. What is the potential energy stored in the spring?

26 / 30

26. 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?

27 / 30

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

28 / 30

28. A projectile is launched vertically upward. Ignoring air resistance, what happens to its kinetic energy as it reaches the highest point?

29 / 30

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

30 / 30

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

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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 power output if a device does 8000 joules of work in 20 seconds?

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

5. A force of 18 N is applied horizontally to move an object 6 m vertically upwards. What is the work done?

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

9. 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?

10 / 50

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

11 / 50

11. 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?

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

16. What principle states that in the absence of non-conservative forces, the total mechanical energy of a system remains constant?

17 / 50

17. 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?

18 / 50

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

19 / 50

19. Thermal energy is also known as:

20 / 50

20. 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?

21 / 50

21. The power of an engine is defined as:

22 / 50

22. How does a refrigerator utilize thermal energy?

23 / 50

23. If a force of 20 N acts perpendicular to the displacement of 4 m, what is the work done?

24 / 50

24. What does the equation E = mc² represent?

25 / 50

25. A car accelerates from rest to 25 m/s in 10 seconds. How can the Work-Energy Theorem be applied to analyze this acceleration?

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

30. Which factor primarily determines the amount of gravitational potential energy possessed by an object?

31 / 50

31. A force of 20 N acts on an object that moves a distance of 4 m. If the force makes an angle of with the direction of motion, what is the work done?

32 / 50

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

33 / 50

33. A spring with a spring constant of 600 N/m is stretched by 0.1 meters. What is the potential energy stored in the spring?

34 / 50

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

35 / 50

35. If an object has twice the velocity, how does its kinetic energy change, assuming its mass remains constant?

36 / 50

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

37 / 50

37. What is chemical energy?

38 / 50

38. Which of the following is an example of chemical energy?

39 / 50

39. What device is commonly used to initiate and sustain nuclear fission reactions in a controlled manner?

40 / 50

40. Which of the following processes involves the conversion of chemical energy to electrical energy?

41 / 50

41. 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?

42 / 50

42. 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?

43 / 50

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

44 / 50

44. A pendulum swings from a height of 2 meters. Assuming no air resistance, what happens to the potential energy at the lowest point of the swing?

45 / 50

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

46 / 50

46. What is the primary product of nuclear fusion in the sun?

47 / 50

47. Kinetic energy depends on which of the following factors?

48 / 50

48. What type of energy is crucial for plants during photosynthesis?

49 / 50

49. What is nuclear fusion?

50 / 50

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

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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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