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Photons with energy 5 eV are incident on...

Photons with energy `5 eV` are incident on a cathode `C` in a photoelectric cell . The maximum energy of emitted photoelectrons is `2 eV`. When photons of energy `6 eV` are incident on `C` , no photoelectrons will reach the anode `A` , if the stopping potential of `A` relative to `C` is

A

`+3V`

B

`+4V`

C

`-1V`

D

`-3V`

Text Solution

Verified by Experts

The correct Answer is:
D
`W=5-2=3eV` ltBrgt `KE_(max)=6-3=3eV`
`V_(0)=3` volt
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