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
Explanation
f = (frac{v}{pi} = frac{20}{0.25} = 80Hz)
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