Questions
Photo electric emission is observed from a metallic surface for frequencies and of the incident light rays ( ). If the maximum values of kinetic energy of the photo elections emitted in the two cases are in the ratio of 1:K, then the threshold frequency of the metallic surface is
detailed solution
Correct option is B
Similar Questions
The maximum energy of photoelectrons emitted in a photoelectric cells is measured using lights of various frequencies v. The graph in shows how varies with v. The slope of the graph is equal to
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