Light emitted during the de excitation of electron from n=3 to n=2, when incident on a metal, photoelectrons are just emitted from that metal. In which of the following de excitations photoelectric effect is not possible?

Options

(a) From n=2 to n=1
(b) From n=3 to n=1
(c) From n=5 to n=2
(d) From n=4 to n=3

Correct Answer:

From n=4 to n=3

Explanation:

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