The threshold frequency vo for a metal is 5.0 x
1014 s-1. What will be the kinetic energy of a
photoelectron emitted when radiation of frequency
v = 1.5 x 1015 s- strikes on a metal surface?
(1) hx 1014 J
(2) hx 1016 J
(3) hx 1015 J
(4) hu
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by is in the concept of PE effect w =w° + KE , hv=hv° +KE, v and v° are frequency and threshold frequency by using this we can calculate KE
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