If a light wave has a wavelength of 500nm in air what is the frequency…

If a light wave has a wavelength of 500nm in air what is the frequency of the wave?
[c = 3 x 108 ms-1]
  • A.
    3.0 x 1014 Hz
  • B.
    6.0 x 1014 Hz
  • C.
    6.0 x 1012 Hz
  • D.
    2.5 x 1014 Hz
Correct Answer: Option B
Explanation

f = c/λ

∴ f = c = 3 x 108
λ 500 x 109

=6.0 x 1014 Hz

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