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The photoelectric work function for a me...

The photoelectric work function for a metal surface is `4.125 eV`. The cut - off wavelength for this surface is

A

`4125 A^(@)`

B

`2062.5 A^(@)`

C

`3006.06 A^(@)`

D

`6000 A^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
`lambda "in" A^(0)=12400/E "in" eV`
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