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
-
A.
5.0m -
B.
40.0m -
C.
50.0m -
D.
80.0m
Correct Answer: Option D
Explanation
(lambda = frac{v}{f} = frac{20}{0.25} = 80)