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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. A force of 18 N is applied vertically downwards on an object that moves vertically downwards a distance of 5 m. What is the work done?

2 / 30

2. In practical terms, what phenomenon demonstrates the conversion of mass into energy according to Einstein's equation?

3 / 30

3. If a force acts on an object displacing it from to meters, what is the work done?

4 / 30

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

5 / 30

5. A spring is compressed by a force. When the spring is released, what type of energy does it primarily convert into, according to the Work-Energy Theorem?

6 / 30

6. What type of energy conversion occurs when burning wood in a campfire?

7 / 30

7. If a force does negative work on an object, what does this imply according to the Work-Energy Theorem?

8 / 30

8. According to Einstein's equation (E = mc²), how much energy is released if 1 kg of mass is completely converted into energy?

9 / 30

9. How does the scalar product change if both vectors are scaled by a factor of ?

10 / 30

10. 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?

11 / 30

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

12 / 30

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

13 / 30

13. If , what property of the scalar product is illustrated?

14 / 30

14. 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?

15 / 30

15. What is the SI unit of work?

16 / 30

16. If vectors and , what is the general expression for ?

17 / 30

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

18 / 30

18. Which of the following is an example of kinetic energy being converted into potential energy?

19 / 30

19. Which concept is fundamental to the application of the Work-Energy Theorem to various mechanical situations?

20 / 30

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

21 / 30

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

22 / 30

22. Define the work-energy theorem.

23 / 30

23. 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?

24 / 30

24. Which gym equipment uses spring potential energy to provide resistance?

25 / 30

25. Which of the following represents the geometric interpretation of the scalar product in terms of angle?

26 / 30

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

27 / 30

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

28 / 30

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

29 / 30

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

30 / 30

30. If a force varies with displacement as , where is in meters, and it moves from m to 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. In a hydroelectric power plant, which form of energy is used to generate electricity?

2 / 50

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

3 / 50

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

4 / 50

4. Which scientific principle does Einstein's equation (E = mc²) fundamentally challenge?

5 / 50

5. How does a refrigerator utilize thermal energy?

6 / 50

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

7 / 50

7. Which of the following best describes the role of control rods in a nuclear reactor?

8 / 50

8. How is the scalar product related to the projection of one vector onto another?

9 / 50

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

10 / 50

10. Which of the following best describes negative work?

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

15. 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?

16 / 50

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

17 / 50

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

18 / 50

18. 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?

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

22. What is mechanical power?

23 / 50

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

24 / 50

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

25 / 50

25. If a 1000 kg car accelerates from 0 to 20 m/s in 10 seconds, how much work was done on it?

26 / 50

26. What is the process by which energy changes from one form to another?

27 / 50

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

28 / 50

28. What is the scalar product of a vector with itself?

29 / 50

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

30 / 50

30. In the electromagnetic spectrum, which type of radiation has the highest energy?

31 / 50

31. Which concept is fundamental to the application of the Work-Energy Theorem to various mechanical situations?

32 / 50

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

33 / 50

33. What is the primary source of electromagnetic energy on Earth?

34 / 50

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

35 / 50

35. Which type of energy is considered when applying the conservation of mechanical energy?

36 / 50

36. 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?

37 / 50

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

38 / 50

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

39 / 50

39. 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?

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

43. What is the primary factor that determines the amount of thermal energy an object has?

44 / 50

44. 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?

45 / 50

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

46 / 50

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

47 / 50

47. A force of 15 N is applied to a spring, causing it to stretch 0.3 meters. What is the spring constant?

48 / 50

48. 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?

49 / 50

49. 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?

50 / 50

50. If the work done on an object is negative according to the Work-Energy Theorem, what does this imply about its kinetic 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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