the wave number of light having wavelength 2500 amstrong would be given
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wavelength =2500A
wave number = 1/wavelength
=1/2500A =0.0004
or we also convert it in m as 1A =10-10 mor 1/10000000000
wave number = 1/wavelength
=1/2500A =0.0004
or we also convert it in m as 1A =10-10 mor 1/10000000000
mmdd:
wlcm
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