The work function of a metal is 2.56 x 10-19J. Calculate the frequency of a photon whose energy is required to eject from the metal an electron with kinetic energy of 3.0ev. [1 eV = 1.6 x 10-19J, h = 6.6 x 10-34Js]
a
5.56 x 1019Hz
b
1.66 x 1019Hz
c
1.12 x 1015Hz
d
8.42 x 1014Hz
Explanation
Correct Option
cVideo Explanation
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