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In Millikan oil drop experiment, a charg...

In Millikan oil drop experiment, a charged drop of mass `1.8 xx 10^(-14) kg` is stationary between its plates. The distance between its plates is `0.90 cm` and potential difference is `2.0` kilo volts. The number of electrons on the drop is

A

`2`

B

`4`

C

`5`

D

`1

Text Solution

Verified by Experts

The correct Answer is:
C
`Eq=mgRightarrow(v/d)"ne"=mg`
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