passwella.
Menu

JAMB Physics 2005 Question 16

Question 16

Electromagnetic Spectrum

Satellite communication network makes use of

  1. A.infra-red rays.
  2. B.sound wave.
  3. C.visible light.
  4. D.radio wave.
Show the answer and explanation

Answer: D (radio wave.)

Explanation

Satellites relay signals as radio (microwave) waves, which pass through the atmosphere and travel through space.