how did Thomson proof that Cathode ray are negatively charged particles
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J.j.thomson discovered electron by taking a discharge tube .He passes high voltage electricity through low pressure gas through cathode and observed that the rays coming from negative terminal which are moving from negative to positive and named that cathode rays .This proves that cathode rays are negatively charged particles.
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he passes high voltage electricity through low pressure gas so he observed the Ray's are coming from negative terminal so he proved cathode Ray are negative charge
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