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Who did the oil drop experiment?

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in Chemistry – Class 11 by (148k points)
Who did the oil drop experiment?

(a) R. A. Millikan

(b) J. J. Thomson

(c) Rutherford

(d) Galileo

This question was posed to me in final exam.

My doubt stems from Discovery of Sub-atomic Particles in chapter Structure of Atom of Chemistry – Class 11

1 Answer

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Right answer is (a) R. A. Millikan

Best explanation: R. A. Millikan conducted oil drop experiment to measure the mass of oil droplets. After observation of how the charge is transferred in the experiment he concluded that charge only appears in integral multiples of e i.e. q = ne; n = ±1, ±2, ±3, etc.

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