1.

UUTUUA certain metal when irradiated with light!(v = 3.2 x 1016 Hz) emits photo electrons withtwice kinetic energy as did photo electronswhen the same metal is irradiated by light(y = 2.0 x 1016 Hz). Calculate v, of electron?(1) 1.2 x 1014 Hz (2) 8 x 1015 Hz(3) 1.2 x 1016 Hz (4) 4 x 1012 Hz

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