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Light of wavelength 3000 Å is incident...

Light of wavelength ` 3000 Å ` is incident on the metal surface , having work function 1 eV . Find the maximum velocity of emitted photo electron

A

10 m/s

B

`1xx10^3` m/s

C

`1xx10^4` m/s

D

`1xx10^6` m/s

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