300+ TOP MCQs on Oscillations and Waves and Answers

NEET  Physics is the very imporatant paper in the Medical Entrance EXAM. Here, you will discover the NEET Physics MCQs with Answers for all Concepts as per the new syllabus. Practice more on a regular basis with these NEET Physics objective questions on air pollution . NEET Physics Oscillations and Waves Multiple Choice Questions

MCQs on Oscillations and Waves :

1. On which of the following does the energy of a simple harmonic motion depend
(A) ⍵
(B) (frac{1}{omega^{2}})
(C) (frac{1}{a^{2}})
(D) a²

Answer

Answer: (D) a²

2. Calculate the amplitude for a SHM using the equation x = 3sin2pt + 4cos3pt
(A) 3
(B) 5
(C) 4
(D) 7

Answer

Answer: (B) 5

3. What is the constant of propotionality of an oscillator if the damping force is directly propotional to the velocity
(A) kg.s^-1
(B) kg.m.s^-1
(C) kg.s
(D) kg.m.s^-2

Answer

Answer: (A) kg.s^-1

4. What is the phase difference between the prongs of the tuning fork
(A) 5π
(B) π
(C) 2π
(D) 3π

Answer

Answer: (B) π

5. What is the change in the phase if a wave is reflected from a denser medium
(A) 3π
(B) 0
(C) π
(D) 2π

Answer

Answer: (C) π

6. The observer hears a sound from the source which is moving away from the observer who is stationary. Determine the frequency of the sound
(A) It is halved
(B) It remains the same
(C) It reaches infinity
(D) It gets doubled

Answer

Answer: (A) It is halved

7. The length of the pendulum which is displaying SHM is increased by 21%. Calculate the percentage increase in the periodic time of the pendulum.
(A) 21%
(B) 10%
(C) 11%
(D) 42%

Answer

Answer: (B) 10%

8. Which of the following does not exhibit polarization
(A) Longitudinal wave in a gas
(B) Transverse wave in a gas
(C) Neither (A) nor (B)
(D) Both (A) and (B)

Answer

Answer: (A) Longitudinal wave in a gas