The value of e/m of an electron was measured by(a) Millikarn(c) Dalton – InterviewSolution

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1.	The value of e/m of an electron was measured by(a) Millikarn(c) Dalton(b) J.J. Thomson(d) Rutherford
Answer» J.J Thomson was the first scientist who measured charge to mass ratio (e/m) of an electron.When a narrow beam of charged particles are projected at constant speed (v) across a magnetic field in a direction perpendicular to the field, the beam of particles experiences a force, which makes them move in a circular path.

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