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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 is (in eV). Take `h` as `6 xx 10^-34 J s`.

A

6

B

1.6

C

1.2

D

2

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