A certain wave has a speed of 20ms-1. If the frequency of the wave is…

Physics WAEC 2010

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 checkmark

The correct answer is: D

Explanation

\(\lambda = \frac{v}{f} = \frac{20}{0.25} = 80\)
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