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In photoelectric emission process from a...

In photoelectric emission process from a metal of work function `1.8 eV` , the kinetic energy of most energetic electrons is `0.5 eV`. The corresponding stopping potential is

A

`1.3eV`

B

`0.5eV`

C

`2.3eV`

D

`1.8eV`

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The correct Answer is:
B
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