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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

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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

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1 / 30

1. If amplitude doubles in SHM, total energy becomes:

2 / 30

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

3 / 30

3. On which planet would a pendulum swing faster?

4 / 30

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

5 / 30

5. In coupled oscillators, normal modes refer to

6 / 30

6. Why is resonance dangerous in mechanical structures like bridges?

7 / 30

7. Which mathematical approximation is often used to study anharmonic oscillations?

8 / 30

8. Why are oscillatory circuits important in radio communication?

9 / 30

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

10 / 30

10. Which experiment historically demonstrated coupled oscillations?

11 / 30

11. Which property of wave propagation arises directly from coupled oscillator behavior?

12 / 30

12. What is meant by anharmonic oscillations?

13 / 30

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

14 / 30

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

15 / 30

15. Which biological system shows oscillatory behavior?

16 / 30

16. Which of the following is the correct solution for the displacement in SHM?

17 / 30

17. The condition for resonance in an RLC circuit is

18 / 30

18. The human ear functions with oscillations because:

19 / 30

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

20 / 30

20. What assumption is required for deriving for a pendulum?

21 / 30

21. Why do infrared spectra of molecules show overtones?

22 / 30

22. For a damped oscillator with amplitude and , the time for amplitude to reduce to half is

23 / 30

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

24 / 30

24. In wave propagation through a lattice, dispersion occurs because

25 / 30

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

26 / 30

26. Which of the following best represents overdamped motion?

27 / 30

27. If the amplitude of a pendulum is increased from to , what happens to the period?

28 / 30

28. What is the time period of a spring-mass system with ?

29 / 30

29. At the mean position of oscillation, the energy of a spring-mass system is entirely:

30 / 30

30. For the system in Q415, determine the damped frequency .

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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
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1 / 50

1. An LC tuned circuit in a radio receiver has and . Find the tuning frequency.

2 / 50

2. Which damping type results in exponential decrease of amplitude with time?

3 / 50

3. In damped oscillations, the amplitude decreases:

4 / 50

4. The motion of a mass-spring system is SHM because:

5 / 50

5. Which of the following graphs represents conservation of energy in SHM?

6 / 50

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

7 / 50

7. Which of the following represents oscillatory behavior in electronics?

8 / 50

8. The damped harmonic oscillator equation is

9 / 50

9. In ideal SHM (no damping), the total mechanical energy:

10 / 50

10. The angular frequency of oscillation of a mass-spring system is:

11 / 50

11. Which of the following is an engineered example of oscillatory motion?

12 / 50

12. What is a strange attractor in nonlinear dynamics?

13 / 50

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

14 / 50

14. The potential energy stored in a stretched spring is given by:

15 / 50

15. The restoring force acting on a pendulum for small oscillations is approximately:

16 / 50

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

17 / 50

17. Why is resonance in oscillatory systems dangerous in engineering structures?

18 / 50

18. Which of the following is an application of resonance in acoustics?

19 / 50

19. In the equation , the term represents

20 / 50

20. Solve for initial conditions .

21 / 50

21. A pendulum has a time period that depends on:

22 / 50

22. Why is resonance sometimes dangerous in engineering structures?

23 / 50

23. Why are pendulums used in clocks for timekeeping?

24 / 50

24. A spring () has a mass attached; later an additional is added. What is the new period?

25 / 50

25. If the amplitude of a pendulum is increased from to , what happens to the period?

26 / 50

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

27 / 50

27. If an LC oscillator has , calculate natural frequency.

28 / 50

28. Which of these is a natural oscillatory system in astronomy?

29 / 50

29. Which statement about nonlinear oscillations is correct?

30 / 50

30. A particle executes SHM with frequency . What is its angular frequency ?

31 / 50

31. A periodic function contains which frequencies?

32 / 50

32. Periodic motion is essential for wave motion because:

33 / 50

33. Which situation best illustrates damping?

34 / 50

34. A mass on a spring performs oscillations with amplitude . If the equation of motion is with , what is its time period?

35 / 50

35. A block of mass attached to a spring with oscillates with amplitude . What is the maximum kinetic energy?

36 / 50

36. What is resonance in oscillatory systems?

37 / 50

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

38 / 50

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

39 / 50

39. What is the expression for acceleration in SHM if ?

40 / 50

40. The angular frequency of SHM is related to frequency by:

41 / 50

41. A body executes periodic motion with a frequency of . What is its time period?

42 / 50

42. In an ideal LC circuit, a capacitor is initially charged to and connected to an inductor . What is the maximum current ?

43 / 50

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

44 / 50

44. The quality factor of a series RLC circuit is given by

45 / 50

45. The condition for resonance in an RLC circuit is

46 / 50

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

47 / 50

47. Why are periodic phenomena in nature (like day-night cycle, seasons, tides) studied as oscillatory or wave phenomena?

48 / 50

48. Which of the following is a characteristic of forced oscillations?

49 / 50

49. Which feature is characteristic of nonlinear oscillations?

50 / 50

50. Which of the following statements about energy in a mass-spring oscillator is correct?

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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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