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A photon of energy 8 eV is incident on a...

A photon of energy 8 eV is incident on a metal surface of threshold frequency `1.6 xx 10^15 Hz`. The K.E. of the photoelectrons emitted (in eV) is (Take `h = 6 xx 10^-34 J - s`)

A

1.2

B

2

C

6

D

1.6.

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