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For photoelectric emission from certain ...

For photoelectric emission from certain metal, the cut-off frequency is v. If radiation of frequency `2v` implings on the metal plate, the maximum possible velocity of the emitted electron will be (m is the electron mass)

A

`sqrt((hv)/(m))`

B

`(sqrt(2hv)/(m))`

C

`2 sqrt((hv)/(m))`

D

`sqrt((hv)/(2m))`

Text Solution

Verified by Experts

The correct Answer is:
B
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