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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 unit is commonly used to measure thermal energy?

2 / 30

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

3 / 30

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

4 / 30

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

5 / 30

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

6 / 30

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

7 / 30

7. If a force of 10 N acts on an object to move it 5 m horizontally, what is the work done on the object? Assume the force is horizontal and the object moves horizontally.

8 / 30

8. Which of the following is true about kinetic energy?

9 / 30

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

10 / 30

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

11 / 30

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

12 / 30

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

13 / 30

13. 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?

14 / 30

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

15 / 30

15. Which situation describes higher power output?

16 / 30

16. What is the relationship between power and energy consumption in devices?

17 / 30

17. Define work done by a variable force.

18 / 30

18. 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?

19 / 30

19. What is a common application of electromagnetic energy in communication?

20 / 30

20. What role does spring potential energy play in a jack-in-the-box toy?

21 / 30

21. 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?

22 / 30

22. 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?

23 / 30

23. If a machine does 600 joules of work in 3 seconds, what is its power output?

24 / 30

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

25 / 30

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

26 / 30

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

27 / 30

27. How does the Work-Energy Theorem explain the motion of a rocket in space?

28 / 30

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

29 / 30

29. What is the definition of work in physics?

30 / 30

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

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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 nuclear fusion?

2 / 50

2. 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?

3 / 50

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

4 / 50

4. If a force of 15 N is applied at an angle of above the horizontal to move an object 4 m horizontally, what is the work done?

5 / 50

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

6 / 50

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

7 / 50

7. How can the Work-Energy Theorem be applied to calculate the speed of an object after it has been acted upon by a constant force over a certain distance?

8 / 50

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

9 / 50

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

10 / 50

10. In which form is chemical energy stored in plants?

11 / 50

11. Which of the following conditions must be met for work to be done on an object?

12 / 50

12. An archer pulls back a bowstring, storing energy in the bow. When the arrow is released, what conservation law describes the energy transformation?

13 / 50

13. What is the work done by a force if there is no displacement?

14 / 50

14. State the formula derived from the Work-Energy Theorem that relates the work done by a constant force to the change in kinetic energy.

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. Which electromagnetic wave is primarily responsible for the sensation of warmth from sunlight?

26 / 50

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

27 / 50

27. Which type of energy do wind turbines convert into electrical energy?

28 / 50

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

29 / 50

29. Which of the following best describes the role of chemical energy in a car engine?

30 / 50

30. How is mechanical power calculated?

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

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

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. 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?

38 / 50

38. 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?

39 / 50

39. Define the work-energy theorem.

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. If a spring is stretched by 0.3 meters and the potential energy stored is 9 J, what is the spring constant?

45 / 50

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

46 / 50

46. The scalar product of two perpendicular vectors is:

47 / 50

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

48 / 50

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

49 / 50

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

50 / 50

50. A force of 25 N is applied vertically downwards on an object that moves vertically upwards a distance of 6 m. What is 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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