Question

what is e/m ratio ????????????????​

Answer 1

Answer:

What is the e/m ratio of an electron? ... e/m, the ratio of charge of an electron to the mass of an electron. Here m is the mass of the particle of cathode ray in kg and e is its charge in coulomb. Complete step by step solution: In 1897 J.J Thomson first measured the e/m ratio of an electron.

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