Question

. The work function for a metal surface is 2-2 eV. If light of
Wavelength 5000Ả is incident on the surface of the metal, find
the threshold frequency and incident frequency. Will there be
an emission of photoelectrons or not?
(c = 3 x 108 m/s, 1 eV = 1:6 x 10-19, h = 6-63 10-3+J.s.)​

Answer 1

Answer:

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