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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 pendulum at its highest point has:

2 / 30

2. Which of the following forces is considered conservative?

3 / 30

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

4 / 30

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

5 / 30

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

6 / 30

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

7 / 30

7. Which of the following indicates that the scalar product of two vectors is a scalar quantity?

8 / 30

8. Which of the following units is used to measure power?

9 / 30

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

10 / 30

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

11 / 30

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

12 / 30

12. 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?

13 / 30

13. What does high power mean in practical terms?

14 / 30

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

15 / 30

15. A spring with a spring constant of 150 N/m is stretched by 0.2 meters. What is the potential energy stored in the spring?

16 / 30

16. 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?

17 / 30

17. 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?

18 / 30

18. A force of 40 N is applied at an angle of to the horizontal to move an object 12 m horizontally. What is the work done?

19 / 30

19. If a spring is compressed by 0.1 meters and the potential energy stored is 0.5 J, what is the spring constant?

20 / 30

20. 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?

21 / 30

21. How is power calculated when work (W) is given and time (t) is known?

22 / 30

22. The work done by a constant force acting on an object that undergoes a displacement is given by:

23 / 30

23. A pump does 1200 joules of work in 30 seconds. What is its power output in kilowatts (kW)?

24 / 30

24. What type of energy does a rock at the edge of a cliff have?

25 / 30

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

26 / 30

26. If a force acts at an angle to the direction of displacement , the work done is:

27 / 30

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

28 / 30

28. What does the Work-Energy Theorem state?

29 / 30

29. What type of reaction is primarily responsible for the release of chemical energy in cells?

30 / 30

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

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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 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.

2 / 50

2. The scalar product of two perpendicular vectors is:

3 / 50

3. 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?

4 / 50

4. What is chemical energy?

5 / 50

5. In a pendulum clock, what happens to the kinetic energy when the pendulum reaches its lowest point?

6 / 50

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

7 / 50

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

8 / 50

8. 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?

9 / 50

9. If a block slides down a frictionless inclined plane, what happens to its potential energy?

10 / 50

10. Which unit of power is commonly used in the context of gravitational forces and mechanical work?

11 / 50

11. Which physical quantity does power depend on?

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

16. How is the work done by a variable force over a displacement generally calculated?

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20. Which of the following best describes negative work?

21 / 50

21. When a block slides down a frictionless inclined plane, what happens to its potential energy according to the conservation of mechanical energy?

22 / 50

22. A roller coaster car starts from rest at the top of a hill. As it descends, which statement best describes the conservation of mechanical energy?

23 / 50

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

24 / 50

24. In which of the following scenarios is thermal energy transferred by convection?

25 / 50

25. 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?

26 / 50

26. Which factor affects the elastic potential energy stored in a spring?

27 / 50

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

28 / 50

28. If a force of 60 N compresses a spring by 0.15 meters, what is the spring constant?

29 / 50

29. How is power calculated when work is done over time ?

30 / 50

30. What is the formula for kinetic energy (KE) of an object of mass moving with velocity ?

31 / 50

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

32 / 50

32. If the scalar product of two non-zero vectors and is zero, what does this imply about the vectors?

33 / 50

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

34 / 50

34. Which theorem relates the work done on an object to its change in kinetic energy?

35 / 50

35. 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?

36 / 50

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

37 / 50

37. 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?

38 / 50

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

39 / 50

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

40 / 50

40. Which of the following units is used to measure mechanical power?

41 / 50

41. An object of mass 5 kg has a kinetic energy of 100 J. What is its velocity?

42 / 50

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

43 / 50

43. If a spring with a spring constant of 150 N/m is stretched by 0.4 meters, what force is applied to the spring?

44 / 50

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

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

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

49 / 50

49. If vectors and , what is ?

50 / 50

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

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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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