J.J.Thomson's experiment, involving the motion of an electron beam in mutually perpendicular and fields, gave the value of:
A)the mass of an electron
B)the charge of an electron
C)the Earth's magnetic field
D)the charge/mass ratio for an electron
E)Avogadro's number

Question

Quizplus · Accepted Answer

J.J. Thomson's experiment determined the charge-to-mass ratio (e/m) of the electron by observing the deflection of electron beams in electric and magnetic fields.

JJThomson's Experiment, Involving the Motion of an Electron Beam in Mutually