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In a photoelectron experiment , the stop...

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)/(3) V`

D

zero

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The correct Answer is:
B
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