red light with wavelength of 625 nm (1m =1×10^9 nm) find the frequency
wavelength , = 625 nm = 625
x 10-9 m
Speed of light, C = 3 x 108 m/s
Frequency, = C/
=
3 x 108 m/s/625 x 10-9 m = 0.0048 x
1017 /s = 4.8 x 1014 Hz
red light with wavelength of 625 nm (1m =1×10^9 nm) find the frequency
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