Question

wht is millikan's oil drop experiment

Answer 1

it was an experiment performed by milikan to measure mass of electron

Answer 2

Answer:

some fine oil droplets for allowed to be sprayed into the chamber by an atomizer. the air in the chamber is subjected to ionization by X rays.the electrons produced by the ionization of attach themselves to the oil drops.the drops remain suspended in the air when sufficient amount of electric field is supplied which can just balance the gravitational force acting on an oil drop.

Mallikan's experiment showed that the charge on each drop was different. the smallest charge was found to be

-1.602×10^-19C or -4.8×10^-10 esu

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