Question

50. The stopping potential of photoelectron emitter is
determined by 4 volt. The maximum velocity of an
electron ejected by radiation is found to be in ms-1)
(assume) charge to mass ratio of electron elit = 38 x
1011 (coulomb kg 1):
(a) 8 x 105
(6) 6 x 105
(c) 2.1 x 105
(d) 1.2 x 105.​

Answer 1

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