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The light rays having photons of energy ...

The light rays having photons of energy `1.8 eV` are falling on a metal surface having a work function `1.2 eV`. What is the stopping potential to be applied to stop the emitting electrons ?

A

3 eV

B

1.2 eV

C

0.6 eV

D

1.4 eV

Text Solution

Verified by Experts

The correct Answer is:
C
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