Wave motionHard
Question
Frequency of tuning fork A is 256 Hz. It produces four beats/sec. with tuning fork B. When wax is applied at tuning fork B then 6 beats/sec. are heard. By reducing little amount of wax 4 beats/sec. are heard. Frequency of B is :
Options
A.250 Hz
B.260 Hz
C.252 Hz
D.256 Hz
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