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Dual Nature Of Radiation

MHT CET 2021 21th September Evening Shift

MCQ+1 / -02021

Photoemission from metal surface takes place for frequencies '\(v_1\)' and '\(v_2\)' of incident rays \(\left(v_1>v_2\right)\). Maximum kinetic energy of photoelectrons emitted is in the ratio \(1: \mathrm{K}\). The threshold frequency of metallic surface is

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