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Two identical photo-cathodes receive li...

Two identical photo-cathodes receive light of frequencies `f_1` and `f_2`. If the velocities of the photoelectrons (of mass m) coming out are `v_1` and `v_2` respectively, then

A

`2:1`

B

`2:3`

C

`1:1`

D

`3:2`

Text Solution

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The correct Answer is:
D
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