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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. 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?

2 / 30

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

3 / 30

3. A stretched bow possesses which type of energy?

4 / 30

4. 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?

5 / 30

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

6 / 30

6. 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?

7 / 30

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

8 / 30

8. Which of the following best describes the spring constant (k) in Hooke's Law?

9 / 30

9. What is the SI unit of work?

10 / 30

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

11 / 30

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

12 / 30

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

13 / 30

13. What happens to the kinetic energy of an object if its mass is doubled while its velocity remains constant?

14 / 30

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

15 / 30

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

16 / 30

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

17 / 30

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

18 / 30

18. What is Hooke's Law?

19 / 30

19. Which of the following is an example of kinetic energy?

20 / 30

20. 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?

21 / 30

21. How does the human body utilize chemical energy?

22 / 30

22. Which principle states that the total energy of an isolated system remains constant?

23 / 30

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

24 / 30

24. What energy conversion process occurs in a coal-fired power plant?

25 / 30

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

26 / 30

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

27 / 30

27. In a hydroelectric power plant, which form of energy is used to generate electricity?

28 / 30

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

29 / 30

29. If vectors and , what is ?

30 / 30

30. Which of the following statements is true regarding the scalar product of two parallel vectors?

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

2 / 50

2. What form of energy is associated with a charged particle in an electric field?

3 / 50

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

4 / 50

4. 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?

5 / 50

5. What is the definition of power in physics?

6 / 50

6. 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?

7 / 50

7. What is Hooke's Law?

8 / 50

8. 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?

9 / 50

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

10 / 50

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

11 / 50

11. What is the SI unit of work done by a variable force?

12 / 50

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

13 / 50

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

14 / 50

14. What is the power output if a device does 8000 joules of work in 20 seconds?

15 / 50

15. How does a wind turbine convert energy?

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

19. 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?

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

23. Which law of physics is used to calculate elastic potential energy in a spring?

24 / 50

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

25 / 50

25. What is mechanical power?

26 / 50

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

27 / 50

27. The power of an engine is defined as:

28 / 50

28. 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?

29 / 50

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

30 / 50

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

31 / 50

31. If a spring is compressed by 0.05 meters and the potential energy stored is 0.125 J, what is the spring constant?

32 / 50

32. Which of the following statements is true about kinetic energy?

33 / 50

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

34 / 50

34. Which energy transformation occurs when a person jumps from a diving board into a swimming pool?

35 / 50

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

36 / 50

36. A 2 kg box is pushed horizontally across a frictionless surface with a constant force of 5 N for a distance of 10 m. Calculate the work done on the box.

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

40. How does power relate to the ability to perform tasks quickly in physics?

41 / 50

41. Which of the following statements is true about thermal energy?

42 / 50

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

43 / 50

43. In which scenario would the Work-Energy Theorem be most applicable for calculating the energy changes of a system?

44 / 50

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

45 / 50

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

46 / 50

46. When using the Work-Energy Theorem, why is it important to consider all forces acting on an object?

47 / 50

47. 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?

48 / 50

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

49 / 50

49. What is the definition of work in physics?

50 / 50

50. Which element is commonly used as fuel in nuclear fission reactors?

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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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