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Electron, Photon, Photoelectric Effect and X-Rays — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectron, Photon, Photoelectric Effect and X-Rays1 Mark
MCQ
Positive rays was discovered by
  • ✓
    Thomson
  • B
    Goldstem
  • C
    W. Crookes
  • D
    Rutherford
✓

Answer

Correct option: A.
Thomson
Thomson

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