Wave Mechanics Question 638
Question: When a sound wave of frequency 300 Hz passes through a medium, the maximum displacement of a particle of the medium is 0.1 cm. The maximum velocity of the particle is equal to
Options:
A) $ 60\pi c{{m}^{-1}} $
B) $ 30\pi c{{m}^{-1}} $
C) $ 30cm{{s}^{-1}} $
D) $ 60cm{{s}^{-1}} $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ V _{mix}=a\omega =0.1\times 2\pi \times 300=60\pi ,cm,{{s}^{-1}} $
BETA
