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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The subatomic particle called electron was discovered by:
  • ✓
    J.J. Thomson
  • B
    Neils Bohr
  • C
    James Chadwick
  • D
    D. E. Goldstein
✓

Answer

Correct option: A.
J.J. Thomson
J.J. Thompson discovered electrons by conducting a cathode$-$ray experiment.

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