One of the spectral lines of caesium has a wavelength of `456 n m`. Calculate the frequency of this line (`c = 3.0 xx

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Q 3112178939.     One of the spectral lines of caesium has a
wavelength of `456 n m`. Calculate the frequency
of this line (`c = 3.0 xx 10^(8) m s^(-1)` ).

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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