A certain metal when irradiated with light (v = 3.2 x 1016 Hz) emits photo electrons with twice kinetic energy as did photo electrons when the same metal is irradiated by light (v = 2.0 x 1016 Hz). Calculate v0 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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Answer:
option 2
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Answer:
(2) 8 x 10¹⁵Hz.
Explanation:
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