If a light wave has a wavelength of 500nm in air what is ...
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]
3.0 x 1014 Hz
6.0 x 1014 Hz
6.0 x 1012 Hz
2.5 x 1014 Hz
Correct answer is B
f = c/λ
∴ f = | c | = | 3 x 108 |
λ | 500 x 10-9 |
=6.0 x 1014 Hz