NEET UG 2025: To strengthen preparation, we have curated 25 advanced-level MCQs on Wave and Oscillation that mirror the NEET pattern and difficulty level.
Known for its conceptual depth and calculation-heavy problems, this chapter will be a game-changer for aspirants aiming for top scores.
Join NEET News 2025 1. Statement I: In a simple harmonic motion, the acceleration of the particle is zero at the equilibrium position.
Statement II: At the equilibrium position, the velocity of the particle is maximum.
Options:
a) Both statements I and II are true, and II is the correct explanation of I
b) Both statements I and II are true, but II is not the correct explanation of I
c) Statement I is true, Statement II is false
d) Statement I is false, Statement II is true
- The time period of a simple pendulum on Earth is 6 s. What would be its time period on a planet with 1/4th the gravity of Earth?
a) 12 s
b) 3 s
c) 6 s
d) 24 s
- The total energy in SHM is directly proportional to:
a) Amplitude
b) Square of amplitude
c) Square root of amplitude
d) Frequency
4. Statement I: In a standing wave pattern, particles between two adjacent nodes vibrate in phase.
Statement II: The particles on either side of a node are always 180° out of phase.
Options:
a) Both statements I and II are true, and II is the correct explanation of I
b) Both statements I and II are true, but II is not the correct explanation of I
c) Statement I is true, Statement II is false
d) Statement I is false, Statement II is true
- The ratio of time taken to go from mean to half amplitude vs. from half to extreme position in SHM is:
a) 1:1
b) 1:2
c) 2:1
d) sqrt{3}:1
6. Statement I: The quality factor of a damped oscillator is high when energy loss per cycle is low.
Statement II: A high-quality factor implies sharp and narrow resonance.
Options:
a) Both statements I and II are true, and II is the correct explanation of I
b) Both statements I and II are true, but II is not the correct explanation of I
c) Statement I is true, Statement II is false
d) Statement I is false, Statement II is true
- In forced oscillation, at resonance, the velocity of oscillator is:
a) In phase with driving force
b) Out of phase by 90°
c) Lagging by 180°
d) Randomly varying
- The width of resonance curve increases with:
a) Decreasing damping
b) Increasing damping
c) Constant damping
d) None of the above
- A system with heavy damping:
a) Oscillates with large amplitude
b) Oscillates with reduced frequency
c) Does not oscillate
d) Has zero restoring force
- Quality factor Q is high for:
a) Poor resonators
b) Good resonators
c) Critically damped systems
d) Non-periodic systems
- Two waves of equal amplitude and slightly different frequencies travel in the same direction. They produce:
a) Stationary wave
b) Beats
c) Refraction
d) Doppler effect
12. Assertion (A): In a simple harmonic oscillator, the potential energy is maximum at the extreme positions and zero at the equilibrium position.
Reason (R): At the extreme positions, the displacement is maximum, and hence the restoring force is maximum, leading to maximum potential energy.
Options:
a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
b) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
c) Assertion (A) is true, but Reason (R) is false.
d) Assertion (A) is false, but Reason (R) is true.
- Two waves with frequencies 300 Hz and 306 Hz superpose. What is the beat frequency?
a) 6 Hz
b) 300 Hz
c) 306 Hz
d) 153 Hz
- In a standing wave, the energy is:
a) Transferred forward
b) Transferred backward
c) Confined between nodes
d) Grows linearly with time
- A standing wave has a distance of 5 cm between two successive nodes. What is the wavelength of the wave?
a) 5 cm
b) 10 cm
c) 2.5 cm
d) 20 cm
- In an open organ pipe, the fundamental frequency is 200 Hz. What is the next harmonic?
a) 300 Hz
b) 400 Hz
c) 600 Hz
d) 500 Hz
- A closed pipe resonates at 100 Hz. The next higher resonance will be:
a) 150 Hz
b) 200 Hz
c) 300 Hz
d) 250 Hz
- The apparent frequency of a sound increases when:
a) Source moves away from observer
b) Observer moves away from source
c) Source approaches observer
d) Both source and observer are stationary
- Doppler effect is not observed when:
a) Source and observer are moving together with same speed
b) Only source is moving
c) Only observer is moving
d) Both are stationary
- Two sound waves of same amplitude and frequency interfere constructively. The resultant amplitude is:
a) Zero
b) Double
c) Same
d) Half
- Which graph best represents displacement vs. time for damped SHM?
a) Exponentially decaying sinusoid
b) Linear increase
c) Parabolic
d) Constant amplitude sine
- A wave passes from air to water. Its frequency remains same, but speed doubles. Then the wavelength:
a) Doubles
b) Halves
c) Remains unchanged
d) Becomes zero
- Which is true for a particle executing SHM?
a) Acceleration is always constant
b) Velocity is maximum at extreme position
c) Displacement is sinusoidal
d) Energy is not conserved
- The particle velocity and wave velocity are:
a) Always equal
b) Always perpendicular
c) Related through wavelength
d) Generally different
- A standing wave has 4 nodes including both ends. What is the harmonic number?
a) 2
b) 3
c) 4
d) 5
Answer Keys
1. a 2. a 3. b 4. a 5. a 6. a 7. a 8. b 9. c 10. b 11. b 12. a 13. a 14. c 15.b 16. b 17. c 18. c 19. a 20. b 21. a 22. a 23. c 24. d 25. b
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