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What are cathode rays?

Physics
WAEC 2024

What are cathode rays?

  • A. Stream of electrons
  • B. Beam of neutrons
  • C. Beam of protons
  • D. Stream of alpha particles
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Correct Answer: Option A
Explanation

Cathode rays are streams of electrons emitted from the cathode (negative electrode) in a vacuum tube. Cathode rays can be deflected by magnetic and electric fields, demonstrating their charge and nature as electrons.

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