Question on: WAEC Physics - 2006
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
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Correct Option: D
f = \(\frac{v}{\pi} = \frac{20}{0.25} = 80Hz\)
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