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Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Cathode rays have:
  • A
    Charge only.
  • B
    Mass only.
  • C
    Charge as well as mass.
  • D
    Neither charge nor mass.
✓

Answer

  1. Charge only.

Explanation:

A cathode ray is a beam of electrons in a vacuum tube traveling from the negatively charged electrode (cathode) at one end to the positively charged electrode (anode) at the other, across a voltage difference between the electrodes. They are also called electron beams.

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