The wavelength of blue light is 480 nm .Calculate the frequency & wave number of this light
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Lambda =480nm = 480 x 10^ -9m
Frequency = velocity of light / lambda = 3 x10^8mS^ -1/480x10^-9m
= 6.25 x 10^ 14 Hz
c=f* lamda
(speed of light constant) 299 792 458 m/s = f * 0.00000048
f= 299 792 458/ 0.00000048 = 6.246 *10^14 Hz
Frequency = velocity of light / lambda = 3 x10^8mS^ -1/480x10^-9m
= 6.25 x 10^ 14 Hz
c=f* lamda
(speed of light constant) 299 792 458 m/s = f * 0.00000048
f= 299 792 458/ 0.00000048 = 6.246 *10^14 Hz
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