If a light wave has a wavelength of 500nm in air what is the frequency of the wave? [c = 3 x 10^8 ms-1]

By: |Published on: Nov 10|Categories: Physics JAMB| 0 comments

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 – 6.0 x 1014 Hz

Explanation

f = c/λ
∴ f = c/λ = 3 x 108λ / 500 x 109

=6.0 x 1014 Hz

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