Answers

2015-10-10T19:21:33+05:30
Cathode rays are beam of electrons emitted from the cathode of a high- vacume tube. Cathode rays were used by j.j Thomson to discover electons.
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2015-10-10T19:24:57+05:30
Cathod ray :- a beam of electrons emitted from the cathode of a high vacuum tube. cathode rays travel in straight lines and cast shadows. this cathode ray will cause gases and fluorescent materials to glow.
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