Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material.

Physics

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15/09/2020 6:13 pm

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aditi07

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Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoelectric current if the frequency is halved and intensity is doubled?

(1) four times

(2) one-fourth

(3) zero

(4) doubled

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15/09/2020 6:13 pm

nikhil04

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Correct answer: (3) zero

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Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material.

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