Q10. Give experimental evidence which proves that
(a) Cathode rays consist of material particles.
(b) Cathode rays carry negative charge.
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(a) Cathode rays are made up of negatively charged particles called electrons. These rays produce ionization of gases trough which they travel.
(b) Cathode rays are so named because they are emitted by the negative electrode, or cathode, in a vacuum tube. ... Since the electrons have a negative charge, they are repelled by the negative cathode and attracted to the positive anode. They travel in straight lines through the empty tube.
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