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A charged oil drop is held stationary in an electric field. The space containing the drop is exposed to a radioactive source and drop moves with different terminal velocities v, 2v, 30, 40 ....... etc. It suggests : |
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Answer» the charge is quantised Now `v_(0)+v=V, 2V, 3V....etc` `:. Q=((6 pi eta r)/(E))V. [(6pi eta r)/(E)]2V, [(6pi eta r)/(E)]3V....` `=q.,2q,3q....` Thus, charge is quantized. |
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