The wavelength of a wave traveling with a velocity of 420 ms-1 is 42 m….

The wavelength of a wave traveling with a velocity of 420 ms-1 is 42 m. what is its period?
  • A.
    1.2 s
  • B.
    1.0 s
  • C.
    0.5 s
  • D.
    0.1 s
Correct Answer: Option D
Explanation

V = fλ
f = (v)/λ = (420)/42 = 10 HZ
Period, T = (1)/F = (1)/10 = 0.1 secs

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