Physics WAEC

The distance between the successive crests of a wave travelling at 20ms-1 is 25cm. Calculate the frequency of the wave.

A. 0.8Hz
B. 5.0Hz
C. 50.0Hz
D. 80.0Hz

Correct Answer: Option D

D. 80.0Hz

Explanation

f = v/π = 20/0.25 = 80Hz

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6 years ago

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