Photoelectric EffectHard
Question
Two radiations of photons energies 1 eV and 25 eV, successively illuminate a photosensitive metallicsurface of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons is
Options
A.1 : 5
B.1 : 4
C.1 : 2
D.1 : 1
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