Question:

Electron is discovered by

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J.J. Thomson discovered electron using cathode rays.
Updated On: Jun 26, 2026
  • Rutherford
  • Chadwick
  • Thomson
  • Bohr
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The Correct Option is C

Solution and Explanation

Concept:
Electron is negatively charged subatomic particle.
Step 1:
J.J. Thomson discovered electron.
Step 2:
He used cathode ray discharge tube experiment.
Step 3:

• Rutherford discovered nucleus
• Chadwick discovered neutron
• Bohr proposed planetary model
Step 4:
\[ \boxed{\text{Thomson}} \] \[ \boxed{\text{Correct Option = (3)}} \]
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