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Photoelectric work function of a metal i...

Photoelectric work function of a metal is `1eV`, light of wavelength `lambda = 3000 Å` falls on it. The photoelectrons come out with velocity.

A

10 m/s

B

`10^(3)` m/s

C

`10^(4)` m/s

D

`10^(6)` m/s

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The correct Answer is:
D
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