Class 11 Physics: Oscillations Online Test | Exam Bashed

Class 11 Physics — Chapter 14: Oscillations Online Test

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Class 11 Physics: Oscillations 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. A forced oscillator (, , ) is driven by . What is the steady-state amplitude at resonance?

2 / 20

2. A periodic signal has period . Find its fundamental frequency.

3 / 20

3. Using Euler’s method with step , approximate for , , .

4 / 20

4. A series RLC circuit has . Find its quality factor .

5 / 20

5. In an underdamped RLC circuit, the current oscillates with frequency

6 / 20

6. A 1 μF capacitor and a 1 mH inductor form an LC circuit. Find its natural frequency.

7 / 20

7. A particle oscillates in potential with . Find approximate frequency shift.

8 / 20

8. Why is vibrational analysis important in mechanical engineering?

9 / 20

9. A spring-mass system executes SHM with mass and spring constant . What is its angular frequency?

10 / 20

10. A body is oscillating with frequency and amplitude . What is its angular frequency?

11 / 20

11. A spring-mass oscillator has , amplitude . What is its total energy?

12 / 20

12. If displacement is doubled in a spring-mass system, how does restoring force change?

13 / 20

13. A mass attached to a spring () oscillates with amplitude . What is the total energy?

14 / 20

14. Which of the following best represents overdamped motion?

15 / 20

15. A block of mass oscillates on a spring. The damping force due to air resistance is . If velocity at some instant is , what is instantaneous damping force and acceleration due to damping?

16 / 20

16. The damping force in viscous medium is mathematically expressed as:

17 / 20

17. A block oscillating in oil comes to rest quicker than in air. Why?

18 / 20

18. A spring with constant oscillates with amplitude . What is its total mechanical energy?

19 / 20

19. In simple harmonic motion (SHM), acceleration is:

20 / 20

20. A simple pendulum takes 1.5 seconds to complete one oscillation. How many oscillations will it make in 1 minute?

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Class 11 Physics: Oscillations 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.

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  • 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 statement about energy distribution in normal modes is correct?

2 / 30

2. A harmonic oscillator has vibrational frequency . Calculate its zero-point energy.

3 / 30

3. For a mass-spring system, Newton’s 2nd law gives the differential equation

4 / 30

4. A simple pendulum has a period of 2.0 s. If the length of the pendulum is increased by a factor of 4, what will be the new period?

5 / 30

5. If the length of a pendulum is decreased to one-fourth of its original value, the new time period is:

6 / 30

6. In vibrational analysis, the ratio of maximum response amplitude at resonance to static deflection is called:

7 / 30

7. Which type of damping causes amplitude to reduce linearly rather than exponentially?

8 / 30

8. Write the equation of motion for a forced damped oscillator with driving force .

9 / 30

9. Which of the following is the Fourier series of a square wave?

10 / 30

10. In SHM, the restoring force is always directed:

11 / 30

11. What is the general differential equation for charge in a series RLC circuit?

12 / 30

12. A series RLC circuit has . Find its quality factor .

13 / 30

13. A machine shaft undergoes vibrations with a natural frequency of . If a nearby engine provides a periodic force at , what will occur?

14 / 30

14. At mean position in SHM, the energy is completely:

15 / 30

15. Consider two identical masses connected to fixed walls by springs of constant , and joined by a coupling spring of constant . How many normal modes exist?

16 / 30

16. Which device uses oscillations for fault detection in rotating machinery?

17 / 30

17. For displacement , the potential energy of the system is:

18 / 30

18. The reciprocal of time period is called:

19 / 30

19. A block attached to a spring of constant is displaced by and released. What is its maximum speed?

20 / 30

20. If the displacement of a particle in SHM is , then the corresponding wave equation in space and time is:

21 / 30

21. Which of the following best represents overdamped motion?

22 / 30

22. In electrical circuits, coupled oscillations occur in

23 / 30

23. How are oscillations related to wave motion?

24 / 30

24. Which parameter of SHM determines how far the particle moves from the mean position?

25 / 30

25. If a pendulum completes 20 oscillations in 40 seconds, what is its time period?

26 / 30

26. Which of the following is a physical example of coupled oscillators?

27 / 30

27. Using Euler’s method with step , approximate for , , .

28 / 30

28. A block of mass oscillates on a spring. The damping force due to air resistance is . If velocity at some instant is , what is instantaneous damping force and acceleration due to damping?

29 / 30

29. What is the general solution of ?

30 / 30

30. Which of these is a correct characteristic of periodic motion?

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Class 11 Physics: Oscillations 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!

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  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. The total mechanical energy in SHM is given by:

2 / 50

2. Why is restoring force considered the “driving factor” of SHM?

3 / 50

3. A periodic function contains which frequencies?

4 / 50

4. A particle in SHM is described by . What is its maximum velocity?

5 / 50

5. A particle executes SHM with amplitude . Its displacement is . Which fraction of amplitude is this displacement?

6 / 50

6. Why are pendulums used in clocks for timekeeping?

7 / 50

7. In nonlinear oscillations, bifurcation refers to

8 / 50

8. Which of the following is an example of oscillation in the human body?

9 / 50

9. For a series RLC at resonance, , , . What is the quality factor ?

10 / 50

10. A diatomic molecule vibrates with frequency . Find the wavenumber (in cm) for its fundamental vibration. ()

11 / 50

11. If , the RLC circuit reduces to

12 / 50

12. A pendulum at large amplitudes is an example of a nonlinear oscillator because

13 / 50

13. What is the natural frequency of an LC oscillator?

14 / 50

14. For the above system (), what is the kinetic energy at displacement ?

15 / 50

15. A pendulum swinging in air slows down gradually. This is mainly due to:

16 / 50

16. Which type of damping causes amplitude to reduce linearly rather than exponentially?

17 / 50

17. What is meant by anharmonic oscillations?

18 / 50

18. Which of the following best describes viscous damping?

19 / 50

19. Which of these is a correct characteristic of periodic motion?

20 / 50

20. A pendulum of length swings in an elevator accelerating upward at . What is its period? ()

21 / 50

21. Two coupled pendulums exhibit energy transfer back and forth. This phenomenon is analogous to

22 / 50

22. In mechanical vibrations, why are shock absorbers filled with oil?

23 / 50

23. A damped oscillator has natural frequency and damping coefficient . What type of damping is this?

24 / 50

24. For a one-dimensional chain of masses and springs, the allowed vibrational modes are determined by

25 / 50

25. For the damped equation , the discriminant condition corresponds to

26 / 50

26. What happens to restoring force when displacement is doubled in a spring system?

27 / 50

27. For a mass–spring system with , , amplitude , what is the speed at ?

28 / 50

28. The damped harmonic oscillator equation is

29 / 50

29. In quantum mechanics, the vibrational energy levels of a harmonic oscillator are given by

30 / 50

30. The damping force in viscous medium is mathematically expressed as:

31 / 50

31. A mass of is attached to a spring of constant . What is the time period of oscillation?

32 / 50

32. At equilibrium, which of the following energies is maximum in SHM?

33 / 50

33. Which component determines the frequency of oscillation in an LC oscillator used in radio transmitters?

34 / 50

34. Which of the following represents kinetic energy of a mass-spring oscillator at displacement ?

35 / 50

35. A pendulum clock is taken to a mountain top where is slightly less. What happens to the clock?

36 / 50

36. When a periodic force acts on a damped oscillator, what happens to the transient part of motion?

37 / 50

37. Which equation governs wave propagation in coupled oscillator chains?

38 / 50

38. A damped oscillator with . Find natural frequency and damping coefficient .

39 / 50

39. Why are anharmonic oscillations important in molecular vibrations?

40 / 50

40. Which effect shows that nonlinear oscillations differ from linear SHM?

41 / 50

41. Which feature is characteristic of nonlinear oscillations?

42 / 50

42. A harmonic oscillator has vibrational frequency . Calculate its zero-point energy.

43 / 50

43. Which of the following represents total energy in SHM?

44 / 50

44. A circuit has . Find the damping factor .

45 / 50

45. In vibrational analysis, the ratio of maximum response amplitude at resonance to static deflection is called:

46 / 50

46. A softening nonlinear oscillator () is characterized by

47 / 50

47. Which of the following uses controlled oscillations for practical application?

48 / 50

48. A series RLC has , , . What is the bandwidth ?

49 / 50

49. A mass attached to a spring () oscillates with amplitude . What is the total energy?

50 / 50

50. The human ear functions with oscillations because:

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Class 11 Physics — Chapter 14: Oscillations Online Test

The Oscillations Online Test for Class 11 Physics helps students master one of the most important and conceptual chapters in mechanics. This topic deals with repetitive motion — the kind of motion seen in a pendulum, spring, or even sound waves. Many students understand simple harmonic motion (SHM) theoretically but struggle to solve its numerical problems. This chapter-wise MCQ-based online test is designed to strengthen both your concepts and problem-solving skills step by step.

These tests are based on the NCERT Class 11 Physics Chapter 14 — Oscillations and follow the latest CBSE syllabus. The papers include a mix of theoretical and numerical questions on time period, frequency, angular frequency, restoring force, and energy in SHM. Each test gives you instant results with correct answers and explanations — making your practice more effective for school exams, JEE, and NEET.

This Oscillations Online Test helps you connect real-life phenomena with Physics formulas. Every question is carefully selected to help you visualize oscillatory motion and understand how displacement, velocity, and acceleration change with time. By the end of these tests, you’ll find SHM questions easier and more enjoyable to solve.

About this Online Test

The Chapter 14 — Oscillations Test includes three progressive test papers to help you move from conceptual basics to advanced-level preparation. Each paper has a timer, auto-grading system, and instant review for effective learning.

  • Paper 1 — Concept Builder: 20 questions · 30 min · Pass ≥ 40%
  • Paper 2 — Mixed Practice: 30 questions · 45 min · Pass ≥ 50% · Random new questions every attempt
  • Paper 3 — Advanced Challenge: 50 questions · 75 min · Pass ≥ 70% · Certificate on pass

Papers 2 and 3 provide fresh sets of questions each time you attempt them, so you can practice without repetition. All test papers include answer review and explanation for every question after submission.

Key Topics Covered (Oscillations)

  • Periodic and oscillatory motion
  • Simple harmonic motion (SHM) — definition and conditions
  • Displacement, velocity, acceleration in SHM
  • Time period, frequency, and angular frequency
  • Energy in SHM — kinetic, potential, and total energy
  • Restoring force and force constant (k)
  • Oscillations of spring and simple pendulum
  • Damped and forced oscillations
  • Resonance and its real-life examples

Why You Should Take This Test

Oscillations is a scoring topic once the core ideas are clear. This online test helps you bridge the gap between theory and practice. You’ll be able to:

  • Understand the motion equations used in SHM
  • Practice real exam-level numerical questions
  • Improve your visualization of oscillatory motion
  • Get instant results and track progress after each attempt
  • Prepare efficiently for school, JEE, and NEET exams

Who Should Attempt This Test

  • Class 11 CBSE/NCERT students revising Chapter 14
  • JEE and NEET aspirants focusing on SHM and oscillation problems
  • Students who find time period and frequency concepts confusing
  • Teachers who need ready-to-use online Physics test material

Preparation Tips for Chapter 14 — Oscillations

  • Understand the difference between periodic and oscillatory motion.
  • Derive and memorize SHM equations for displacement, velocity, and acceleration.
  • Study energy variation graphs in SHM and resonance conditions.
  • Attempt Paper 1 for concept clarity, Paper 2 for speed, and Paper 3 for full-chapter testing.
  • After every attempt, review incorrect answers and revise those formulas again.

Before You Start

  • Use latest Chrome or Edge browser for best performance.
  • Keep a stable internet connection during your test.
  • Don’t refresh or close the tab while attempting the test.

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