+2 votes
in Physics by kratos

An oil drop of n excess electrons is held stationary under a constant electric field E in Millikan’* oil drop experiment. The density of oil is ρ. The radius of the drop is

1 Answer

+6 votes
by kratos
 
Best answer

Correct option (c)

Explanation:

Let r be radius of the drop. Then the mass of the drop is

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