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| Q. |
Who among the following discovered electron? |
| A. | J.J Thomson |
| B. | Max Born |
| C. | Antoine Lavoisier |
| D. | Mendeleef |
| Answer» A. J.J Thomson | |
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Explanation: Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray. |
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