Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 43
speed, that is related directly to the potential which isapplied to the tube; the velocity is, indeed, roughly pro-portional to the square root of the potential or alternativespark-length (see p. 100). Electric Deflection of Cathode Rays. If an electric field X is acting at right angles to the… … Fig. 8.—J. J. Thomsons apparatus for measiuing e/m of cathode raya. Anelectric and a magnetic field are contrived so that their effects on a beam ofcathode rays balance each other exactly, in which case the fluorescent spotproduced by the cathode rays remains undeviated. If we contrive things so…
X-rays
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