wave_mechanics Beats Question 28
Question: Two waves $ y=0.25\sin 316t $ and $ y=0.25\sin 310t $ are travelling in same direction. The number of beats produced per second will be
[CPMT 1993; JIPMER 2000]
Options:
A) 6
B) 3
C) 3/p
D) 3p
Show Answer
Answer:
Correct Answer: C
Solution:
$ n _{1}=\frac{316}{2\pi } $ and $ f _{2}=\frac{310}{2\pi } $ Number of beats heard per second = n1 ? n2 =$ \frac{316}{2\pi }-\frac{310}{2\pi }=\frac{3}{\pi } $
BETA
