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

2 / 30

2. The potential energy for an anharmonic oscillator can be written as

3 / 30

3. On which planet would a pendulum swing faster?

4 / 30

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

5 / 30

5. Which of the following is the restoring force in a spring-mass system?

6 / 30

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

7 / 30

7. In the absence of damping, what would happen to oscillations in a mass-spring system?

8 / 30

8. Two identical masses are attached to fixed walls by springs and coupled by a spring . What is the out-of-phase normal-mode angular frequency?

9 / 30

9. The time period of a simple pendulum of length is given by:

10 / 30

10. In a simple pendulum displaced by a small angle , the restoring force is due to:

11 / 30

11. Which of these is a limitation of using pendulums in precision clocks?

12 / 30

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

13 / 30

13. In SHM, what is the phase difference between displacement and acceleration?

14 / 30

14. Which of the following summarizes the difference between spring and gravitational restoring forces?

15 / 30

15. A particle performs SHM described by . What is its time period?

16 / 30

16. A system of coupled LC circuits can model which wave phenomenon?

17 / 30

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

18 / 30

18. A spring-mass system oscillates with amplitude , . What is the maximum potential energy?

19 / 30

19. A spring of constant is compressed by . What is the restoring force?

20 / 30

20. Which is the correct relationship between angular frequency, frequency, and time period?

21 / 30

21. A simple pendulum at large amplitude demonstrates nonlinear effects because

22 / 30

22. Which of the following correctly represents the displacement equation of SHM?

23 / 30

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

24 / 30

24. What happens to total energy if amplitude of oscillation doubles?

25 / 30

25. For the same system, the out-of-phase normal mode frequency is

26 / 30

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

27 / 30

27. The SI unit of frequency is:

28 / 30

28. If the length of a pendulum is quadrupled, how does the time period change?

29 / 30

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

30 / 30

30. If the length of a pendulum is increased 9 times, how will the time period change?

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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
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1 / 50

1. The oscillatory motion of a guitar string when plucked is due to:

2 / 50

2. Which experimental systems often reveal anharmonic effects?

3 / 50

3. A particle in SHM satisfies with and . The phase constant is

4 / 50

4. For the equation , the particle’s maximum acceleration is:

5 / 50

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

6 / 50

6. If a system has natural frequency and damping coefficient , what is the angular frequency of damped oscillations?

7 / 50

7. Which of the following graphs best represents displacement-time relation in SHM?

8 / 50

8. A pendulum has length . Find its time period. ()

9 / 50

9. Which restoring force explains oscillations of atoms in a crystal lattice?

10 / 50

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

11 / 50

11. Which of the following is an example of forced oscillations?

12 / 50

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

13 / 50

13. Which of the following describes free oscillations?

14 / 50

14. At the extreme position of oscillation, the energy of the spring-mass system is entirely:

15 / 50

15. What are forced oscillations?

16 / 50

16. A mass–spring oscillator of mass experiences viscous damping with damping coefficient . If the velocity is , what is the damping force?

17 / 50

17. What happens to total energy if amplitude of oscillation doubles?

18 / 50

18. A mass-spring system has amplitude , angular frequency , and displacement equation . What is the initial phase constant?

19 / 50

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

20 / 50

20. A pendulum of length is oscillating on Earth. Find its time period. ()

21 / 50

21. Which of these is a limitation of using pendulums in precision clocks?

22 / 50

22. Which of the following quantities is common to both oscillations and waves?

23 / 50

23. If , the system is said to be

24 / 50

24. A TV receiver uses an LC oscillator with . Find its resonant frequency.

25 / 50

25. How do coupled oscillators help explain wave propagation in solids?

26 / 50

26. In an RLC circuit, what happens to bandwidth if resistance increases?

27 / 50

27. What is the effect of adding resistance in an LC oscillator?

28 / 50

28. If the amplitude of oscillation decreases due to damping, the total mechanical energy:

29 / 50

29. The kinetic and potential energies in SHM vary with:

30 / 50

30. Why is damping important in practical oscillatory systems?

31 / 50

31. At which displacement is potential energy maximum in SHM?

32 / 50

32. For the displacement equation , velocity is given by:

33 / 50

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

34 / 50

34. Two masses of are attached to springs of , coupled by spring . Find the in-phase normal mode frequency.

35 / 50

35. Which everyday device works on the principle of oscillations?

36 / 50

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

37 / 50

37. 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?

38 / 50

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

39 / 50

39. In a mass-spring chain, if lattice spacing is , the wavelength of a vibrational mode is related to

40 / 50

40. A block sliding on a rough surface and gradually coming to rest is an example of:

41 / 50

41. A pendulum with length has a period of 2.0 s. If temperature rises and length increases slightly, what happens to period?

42 / 50

42. What are normal modes in a system of coupled oscillators?

43 / 50

43. A periodic function contains which frequencies?

44 / 50

44. A simple pendulum has a period of . What is its frequency?

45 / 50

45. A tuning fork vibrating in air loses energy gradually due to:

46 / 50

46. What is the purpose of Fourier analysis in oscillatory systems?

47 / 50

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

48 / 50

48. Why are pendulums used in clocks for timekeeping?

49 / 50

49. For the same system (m = 1 kg, k = 100 N/m, b = 10 Ns/m), find natural frequency .

50 / 50

50. Which oscillator is widely studied as a model for chaos in nonlinear dynamics?

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Practice Oscillations MCQs
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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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