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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. What is the primary source of chemical energy for most living organisms?

2 / 30

2. A pendulum at its highest point has:

3 / 30

3. 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?

4 / 30

4. What is the primary function of power in machines and devices?

5 / 30

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

6 / 30

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

7 / 30

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

8 / 30

8. 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?

9 / 30

9. Which device converts chemical energy into electrical energy?

10 / 30

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

11 / 30

11. Which of the following is a non-SI unit of power commonly used in the context of engines and motors?

12 / 30

12. Which term describes the energy associated with the motion of an object?

13 / 30

13. Which type of energy is stored in the bonds of chemical compounds?

14 / 30

14. 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?

15 / 30

15. Which of the following is a non-conservative force?

16 / 30

16. How does a geothermal power plant convert energy?

17 / 30

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

18 / 30

18. A spring is stretched 0.2 meters by a force of 10 N. What is the spring constant?

19 / 30

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

20 / 30

20. Which energy conversion process occurs in a car engine?

21 / 30

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

22 / 30

22. A force of 5 N acts on an object, moving it a distance of 10 m. If the object's initial speed was 2 m/s and its mass is 3 kg, what is its final kinetic energy?

23 / 30

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

24 / 30

24. 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?

25 / 30

25. Which of the following types of electromagnetic waves has the shortest wavelength?

26 / 30

26. Which formula represents the relationship between power, work, and time?

27 / 30

27. What is kinetic energy?

28 / 30

28. When two vectors and are aligned in the same direction, what is their scalar product?

29 / 30

29. What is the formula for the potential energy stored in a compressed or stretched spring?

30 / 30

30. How does a pogo stick utilize the potential energy stored in a spring?

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

2 / 50

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

3 / 50

3. What type of energy transformation occurs in a microwave oven?

4 / 50

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

5 / 50

5. A ball is thrown vertically upward with an initial velocity. At its highest point, what can be said about its kinetic and potential energy?

6 / 50

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

7 / 50

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

8 / 50

8. What is kinetic energy?

9 / 50

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

10 / 50

10. 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?

11 / 50

11. What is nuclear fusion?

12 / 50

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

13 / 50

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

14 / 50

14. Which formula represents the relationship between power, work, and time?

15 / 50

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

16 / 50

16. 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?

17 / 50

17. 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?

18 / 50

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

19 / 50

19. 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?

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

23. In the context of work done by a force, the scalar product is used to calculate:

24 / 50

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

25 / 50

25. How does a wind turbine convert energy?

26 / 50

26. Convert 1 horsepower (hp) into watts (W).

27 / 50

27. 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.

28 / 50

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

29 / 50

29. What is the relationship between horsepower (hp) and kilowatts (kW)?

30 / 50

30. For vectors and with a scalar product , what can be inferred about the vectors?

31 / 50

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

32 / 50

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

33 / 50

33. What units are typically used for energy (E) in the equation E = mc²?

34 / 50

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

35 / 50

35. Which theorem is used to relate the work done on an object to its kinetic energy change?

36 / 50

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

37 / 50

37. What is the power output of a device that does 500 joules of work in 10 seconds?

38 / 50

38. Why is thermal energy important in climate systems?

39 / 50

39. If a ball rolls down a frictionless hill, how does its kinetic energy change compared to its potential energy according to the conservation of mechanical energy?

40 / 50

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

41 / 50

41. What type of power is used to describe the electrical energy consumed by a device?

42 / 50

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

43 / 50

43. 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.

44 / 50

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

45 / 50

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

46 / 50

46. 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?

47 / 50

47. What does the term "potential" refer to in potential energy?

48 / 50

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

49 / 50

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

50 / 50

50. What is the role of thermal energy in the phase change from solid to liquid?

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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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