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The work function of nickle is 5eV. When...

The work function of nickle is `5eV`. When light of wavelength `2000A^(0)` falls on it, emits photoelectrons in the circuit. The the potential difference necessary to stop the fastest electrons emitted is (given `h=6.67xx10^(-34) Js`)

A

`1.0V`

B

`1.75V`

C

`1.2V`

D

`0.75V`

Text Solution

Verified by Experts

The correct Answer is:
C
`V_(0)=(E-omega_(0))/e`
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