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प्रश्न
The subatomic particle called electron was discovered by :
विकल्प
J.J. Thomson
Neils Bohr
James Chadwick
E. Goldstein
उत्तर
J.J. Thompson
J.J. Thompson discovered electrons by conducting a cathode-ray experiment.
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संबंधित प्रश्न
What is an electron? State its relative mass and charge.
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Which sub-atomic particle was discovered by Chadwick.
Choose the correct option
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Electron and proton
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