Q .     Two photons of energy `2.5eV` and `3.5eV` fall on a metal surface of work function of `1.5eV`. The ratio of the maximum velocities of the photoelectrons emitted from the metal surfaces :

EAMCET 2011
A

`1:4`

B

`2:1`

C

`1:2`

D

`1:sqrt2`

HINT

Use `E_k=hnu-phi`
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