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Threshold wavelength for a metal having ...

Threshold wavelength for a metal having work function `w_(0)` is `lambda`. Then the threshold wavelength for a metal having work function `2 w_(0)` is

A

`4lambda`

B

`2lambda`

C

`lambda//2`

D

`lambda//4`

Text Solution

Verified by Experts

The correct Answer is:
C
`w_(0)=(hc)/lambda_(0)`
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