Of two identical tuning forks with natural frequency 256Hz, one is loaded so that 4 beats per second are heard when they are sounded together. What is the frequency of the loaded tuning fork?
-
A.
260Hz -
B.
252Hz -
C.
248Hz -
D.
264Hz -
E.
258Hz
Correct Answer: Option A
Explanation
Beat = F2 – F1
4 = F2 – 256
F2 = 260Hz