J.J. Thomson and Milikan Experiments

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J.J. Thomson and Milikan Experiments

Postby Chem_Mod » Mon Sep 12, 2011 2:43 pm

Question: How was J.J Thomson able to calculate the ratio of the magnitude of the charge of the electron to its mass when neither were known prior to Millikan's experiment. Does it have something to do with the deflection of the cathode rays in the glass tube?

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Re: J.J. Thomson and Milikan Experiments

Postby Chem_Mod » Mon Sep 12, 2011 2:46 pm

Answer: Here are a few links that will guide to through the sequence of experiments performed by J.J. Thomson. Millikan's oil experiment was in agreement with the subatomic theory of matter developed earlier, and contributed to greater understanding of the subject.
http://en.wikipedia.org/wiki/Atomic_theory (Section 2.2)
http://en.wikipedia.org/wiki/J._J._Thom ... thode_rays (experiments)
http://en.wikipedia.org/wiki/Robert_And ... e_electron (charge of electron)


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