Question

Q) how the oil drop was made stationary in Millikan's experiment?​

Answer 1

Answer:

Millikan's experiment is important because it established the charge on an electron. Millikan used a very simple a very simple apparatus in which he balanced the actions of gravitational, electric, and (air) drag forces. Using this apparatus, he was able to calculate that the charge on an electron was 1.60 × 10⁻¹⁹ C.

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Answer 2

Answer:

In a Millikan's set-up, a charged oil drop falls under gravity with a certain terminal speed. The drop is held stationary applying suitable electric field and is found to carry 2 excess electrons. Suddenly the drop is found to move upwards with the same terminal velocity.

Explanation:

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