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Two radiations with photon energies 0.9 ...

Two radiations with photon energies 0.9 eV and 3.3eV respectively are falling on a metallic surface successively. If the work function of the metal is 0.6 eV , then the ration of maximum speeds of emitted electrons will be

A

`1:4`

B

`1:3`

C

`1:1`

D

`1:9`

Text Solution

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The correct Answer is:
B
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