Class 12 NEET Physics Dual Nature of Matter and Radiation

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Question : 70 of 107

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J.J. Thomson's cathode-ray tube experiment demonstrated that

(2003)

cathode rays are streams of negatively charged ions
all the mass of an atom is essentially in the nucleus
the e∕m of electrons is much greater than the e∕m of protons
the e∕m ratio of the cathode-ray particles changes when a different gas is placed in the discharge tube

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