For photoelectric emission from certain metal the cutoff frequency is $ν$. If radiation of frequency $2ν$ impinges on the metal plate, the maximum possible velocity of the emitted electron will be (m is the electron mass) -

Question

( A ) $\sqrt{hv/(2m)}$
( B ) $\sqrt{hv/m}$
( C ) $\sqrt{2hv/m}$
( D ) $2 \sqrt{hv/m}$