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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 `2 v` incident on the metal plate , the maximum possible velocity of the emitted electron will be (`m` is the electron mass).

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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