Quiz  /  MCQ On Radio Wave Propagation

  • 1. 
    Mathematical prediction of radio waves was done by

  • Einstein
  • Hertz
  • Faraday
  • Maxwell

  • 2. 
    The electric field and magnetic field of a radio wave are

  • Perpendicular to each other
  • Perpendicular to the direction of propagation
  • Both a and b
  • None of the above

  • 3. 
    The speed of radio wave in free space is

  • 3 x 10
  • metres/second
  • 3 x 10
  • metres/second
  • 3 x 10
  • miles/second
  • 3 x 10
  • miles/second

  • 4. 
    Radio waves would strongly reflect off

  • A flat insulating surface of the right size
  • A flat metallic surface of the right size
  • A flat dielectric surface of the right size
  • A flat body of water

  • 5. 
    Radio waves sometimes bend around the corners due to

  • Reflection
  • Diffusion
  • Refraction
  • Diffraction

  • 6. 
    Which of the following is the phenomenon caused when Radio waves travel in two or more paths during propagation and produce slowly-changing phase differences between signals?

  • Absorption
  • Fading
  • Baffling
  • skip

  • 7. 
    High-frequency long-distance propagation mostly depends on

  • Ionospheric reflection
  • Tropospheric reflection
  • Ground reflection
  • Inverted reflection

  • 8. 
    What is the distance from the far end of the ground wave to the nearest point where the sky wave returns to earth called?

  • Angle of radiation
  • maximum usable frequency
  • Skip distance
  • Skip zone

  • 9. 
    Which of the following are electromagnetic

  • Radio waves
  • Light
  • Gamma waves
  • All the above

  • 10. 
    The radio waves were demonstrated experimentally by

  • Hertz
  • Maxwell
  • Marconi
  • Armstrong
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