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A metal surface of work function 1.07 eV...

A metal surface of work function `1.07 eV` is irradiated with light of wavelength `332 nm`. The retarding potential required to stop the escape of photo - electrons is

A

1.07 eV

B

2.66 eV

C

3.7 eV

D

4.81 eV

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The correct Answer is:
B
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