b. Light of wavelength 4.5 X 10-7 m is incident on a metal resulting in…

b. Light of wavelength 4.5 X 10-7 m is
incident on a metal resulting in the
emission of photo electrons. If the work
function of the metal is 3.0 X 10-19 J.
calculate the: i. frequency of the incident
light ii. Energy of the incident light iii.
Energy of the photoelectrons?

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