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Calculate the frequency and wave number ...

Calculate the frequency and wave number of radiations with wavelength 480 nm.

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`v = (c )/(lamda) = (3 xx 10^(8) m//s)/(480 xx 10^(-9)m) = 6.25 xx 10^(14)Hz` and Wave number `= (1)/(lamda) = (1)/(480 xx 10^(-9)m) = 2.80 xx 10^(6) m^(-1)`
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