Calculate the frequency and wave number of a radiation having wavelength 400nm
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wavelength=400nm
wave number=1/wavelength
= 1/400×10 di power -9
=2.5×10 di power 6
frequency =c/wavelength=3×10di power 8/400×10 di power -9
=7.5×10 di power 14
wave number=1/wavelength
= 1/400×10 di power -9
=2.5×10 di power 6
frequency =c/wavelength=3×10di power 8/400×10 di power -9
=7.5×10 di power 14
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