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In a photoelectron experiment , the stopping potential for the photoelectrons is 2V for the

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In a photoelectron experiment, the stopping potential for the photoelectrons is 2V for the incident light of wavlength 400 nm. If the incident light is changed to 300 nm, the cut off potential is

(A) 2V

(B) greater than 8/3 V

(C)  8/5 V

(D) zero

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1 Answer

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Best answer

Correct option (B) greater than 8/3 V

Explanation:

Photon energy

Stopping potential = 2 v

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