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The graph below was produced by a microphone in front of a tuning fork.

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The graph below was produced by a microphone in front of a tuning fork. It shows the voltage produced from the microphone as a function of time.

The frequency of the tuning fork is (approximately)

A) 0.0039 s 

B) 0.020 s 

C) 2.55 Hz 

D) 50 Hz 

E) 256 Hz

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1 Answer

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Best answer

The correct option is: (E) 256 Hz

Explanation:

f = cycles / seconds

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