WAEC - Physics (2010 - No. 24)
A certain wave has a speed of 20ms-1. If the frequency of the wave is 0.25Hz, calculate the distance between successive crests of the wave
5.0m
40.0m
50.0m
80.0m
Explanation
\(\lambda = \frac{v}{f} = \frac{20}{0.25} = 80\)
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