Question
Question: Two tuning forks when sounded together produced 4 beats/sec. The frequency of one fork is 256. The n...
Two tuning forks when sounded together produced 4 beats/sec. The frequency of one fork is 256. The number of beats heard increases when the fork is loaded with wax. The frequency of the other fork is-
A
504
B
520
C
260
D
252
Answer
260
Explanation
Solution
vunknown = vknown ± 4 = 256 + 4 = 260 Hz