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Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The cathode ray experiment was done for the first time by:
  • A
    Goldstein.
  • B
    J. J. Thomson.
  • C
    Dalton.
  • D
    Rutherford.
✓

Answer

  1. J. J. Thomson.

Explanation:

The first model of an atom was given by J.J. Thomson. According to him, an atom consists of a sphere of positive charge with negatively charged electrons embedded in it.

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