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Q. Determine Mass to charge ratio of the electron?
Ans.
Eventually, Thomson was able to find the ratio of the electron's mass to its electrical charge (m/e). Regardless of what type of gas was in the cathode ray tube, the mass-to-charge ratio of the electron was always the same value. This mass-to-charge (m/e) value was:
m/e = 5.69 x 10-9 grams/coulomb
(The coulomb measures electrical charge.)
Therefore, Thomson could conclude that the electron was a fundamental particle that was found in all atoms. For this accomplishment, Thomson was awarded the Nobel Prize in 1906.
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