Someone plzzz tell me how the electrons are discovered in detail?

I don't know
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Dear friend ,
Please find the the answer

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The electrons were first observed by William crooks,a British scientists in 1878 by conducting a discharged tide experiment. The discharged tube was a glass tube sealed at both ends which was partially evacuated to maintain a low pressure (0.01mm of mercury) inside the tube. He applied high electric (10,000 volts) between the two electrodes placed at either end of the tube. He found that rays were coming out from the negatively charged electrode which was called cathode.these rays were named cathode rays.
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