Wave Mechanics Question 805
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
[MNR 1992; UPSEAT 1998, 2000; RPMT 2002; Pb. PET 2004]
Options:
A) 60 p cm/sec
B) 30 p cm/sec
C) 30 cm/sec
D) 60 cm/sec
Show Answer
Answer:
Correct Answer: A
Solution:
$ {v _{\max }}=a\omega =a\times 2\pi n=0.1\times 2\pi \times 300=60\pi ,cm/\sec $
BETA
