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If the work function for a certain metal is 3.2×10-19 joule and it is illuminated with light of frequency 8×1014 Hz. The maximum kinetic energy of the photo-electrons would be h=6.63×10-34 Js

(a) 2.1×10-19 J              (b) 8.5×10-19 J 
(c) 5.3×10-19 J              (d) 3.2×10-19 J