docathode rays consists electrons like that in a gas or they are group of onlyelectrons moving towards anode. if the later then why dont electrons repel each other while moving towards the anode??

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Solution

Cathode rays behaves like electrons in presence of an electric or magnetic field because they contain electrons, so when high voltage is applied across the electrodes, then electrons of cathode rays move towards anode electrode because of attraction between unlike charges. These electrons got repelled by the cathode due to similar charge repulsion. So in cathode ray experiment, electrons accumulation on the anode shows that cathode rays are made of electrons.

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