An oil drop of radius r and density d is stationary in a uniform vertically upwards electric fiels E-If d-d- is density of air and e is quanta of charge-then the drop has the drop has how many excess or deficiency of electron-

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Standard X

Physics

Rectification

An oil drop o...

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An oil drop of radius r and density d is stationary in a uniform vertically upwards electric fiels E.If d'(

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