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Light of frequency 1.5 times the thresho...

Light of frequency `1.5` times the threshold frequency is incident on a photo-sensitive material. If the frequency is halved and the intensity is doubled, the photoelectric current becomes

A

zero

B

half of its initial value

C

one fourth the initial value

D

three fourth the initial value

Text Solution

Verified by Experts

The correct Answer is:
A
Under the given condition energy of photon becomes less than the work function of the metal.Hence photo-emission stops altogether.
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