Question

In millikan oil drop experiment a charged drop falls with a terminal velocity V. If an electric field E is applied vertically upwards it moves with terminal velocity 2V in upward direction. If electric field reduces to E/2 then its terminal velocity will be -

Answer 1

The electric field required to make the drop move upwards with the same speed is. If the upward direction is taken as positive what is the sign of velocity and acceleration when a body falls freely from a height. In an oil drop experiment, the following charges(in arbitrary units) were found on a series of oil droplets ...The electric field required to make the drop move upwards with the same speed is. If the upward direction is taken as positive what is the sign of velocity and acceleration when a body falls freely from a height. In an oil drop experiment, the following charges(in arbitrary units) were found on a series of oil droplets ...The electric field required to make the drop move upwards with the same speed is. If the upward direction is taken as positive what is the sign of velocity and acceleration when a body falls freely from a height. In an oil drop experiment, the following charges(in arbitrary units) were found on a series of oil droplets ...

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Answer 2

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