The distance between the successive crests of a wave travelling at 20ms\(^{-1}\) is 25cm. Calculate…

Physics WAEC 2006

The distance between the successive crests of a wave travelling at 20ms\(^{-1}\) is 25cm. Calculate the frequency of the wave

  • 0.8Hz
  • 5.0Hz
  • 50.0Hz
  • 80.0hz checkmark

The correct answer is: D

Explanation

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

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