Question no. 10
10. The wave number of radiation of wavelength 500 nm is
C is the answer.
Wavelength = 500 * 10^-9 m
Wavenumber is 1/ wavelength
= 1/500 * 10^9
= 2* 10^6
Wavelength = 500 * 10^-9 m
Wavenumber is 1/ wavelength
= 1/500 * 10^9
= 2* 10^6