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Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The particle used by Rutherford in α-ray scattering experiment was__________?
  • A
    Neutron
  • B
    Electron
  • C
    Helium nuclei
  • D
    X-rays
✓

Answer

  1. Helium nuclei

Explanation:

Rutherford used α-particles for scattering experiment. The $\alpha$−particles are Helium nuclei (He2+). Thus the answer for given question is Helium nuclei.

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