Sound WavesHard
Question
When aguiter starting is sounded with a 440Hz tuning fork, a beat frequency of 5Hz is heard . if the experiment is repeated with a tunning fork of 437Hz, The string frequency (Hz) is
Options
A.445
B.435
C.429
D.448
Solution
If we decrease the frequency of tuning fork no. of beat is increased. It means unknown frequency is more than 440Hz.
So it is 440 + 5 = 445Hz.
So it is 440 + 5 = 445Hz.
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