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JAMB Physics 1984 Question 42

Question 42

Conduction through Liquids and Gases

Cathode rays are

  1. A.high-energy electromagnetic waves
  2. B.protons
  3. C.streams of electrons
  4. D.neutrons
  5. E.radio waves.
Show the answer and explanation

Answer: C (streams of electrons)

Explanation

Cathode rays are streams of fast-moving electrons given off by the cathode of a discharge tube.