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A mobile phone sends and receives messages through:

A mobile phone sends and receives messages through:

  • (A) Sound waves
  • (B) Microwaves
  • (C) Ultraviolet rays
  • (D) Radio waves
A mobile phone is able to send and receive text, voice and data by using radio waves. These waves form a type of electromagnetic radiation which is used for communication without cables, allowing the transmission of signals between the phone and the cell towers. Even though some consider them as part of the lower microwave frequency band, in fact, these are radio waves.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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