Question

what are cathode ray​

Answer 1

Answer:

Cathode rays are streams of electrons observed in discharge tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow, due to electrons emitted from the cathode.

Explanation:

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Answer 2

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The fluorescence is due to bombardment of walls of tube by rays emitted from cathode. These are known as Cathode rays. They consist of negatively charged particles called electrons.

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