Question

9 calculate
wave number
and (b) frequency
having
of yellow radiation
length 5900 A​

Answer 1

Explanation:

Wavelength of light= 5800x10^-10m

frequency is given by=c/wavelength

3x10^8/5800x10^-10

3x10^8/58x10^-8

0.05x10^16

wave number is reciprocal of wavelength

 wave number=1/wavelength=1/5800x10^-10=10^10/5800=0.017x10^8 m^-1

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