A note of frequency of 2000Hz has a velocity of \(400ms^{-1}\). What is the wavelength…

Physics WAEC 1994

A note of frequency of 2000Hz has a velocity of \(400ms^{-1}\). What is the wavelength of the note?

  • 800m
  • 200m
  • 5m
  • 2m
  • 0.2m checkmark

The correct answer is: E

Explanation

\(\lambda = \frac{v}{f} = \frac{400}{2000} = 0.2\)m
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