AMPS

Thomson's Experiment

Brittish Physicist J.J. Thomson discovered the charge to mass ratio of electrons. This simulation retraces Thomon's steps.

Sample examination question

Outline Thomson’s experiment to measure the charge/mass ratio of an electron.

External Links

• HSC Online from Charles Sturt University
• J.J. Thomson and the Electron from Georgia State University
• A Look Inside the Atom from the American Institute of Physics