Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 514
of the experiments, so that the rays when deflected tothis side were not allowed to pass, it was shown that the charges ofthe a particles are of positive sign. \j Absorption of a Rays.—Measurements of the absorption of a rayshave brought to light the interesting fact that the power of… … Fig. 429. by Bragg and Kleeman,^ who used a small quantity of radioactivesubstance at A (Fig. 429), and limited the a rays to a narrow beamfalling upon the air situated between the gauze C and the metallicplate D. These are kept at constant distance apart, their distancefrom A being variable. The…
Electricity · Magnetism
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