Q144 / 180 · AIIMS 2013 · Physics

Long distance communication between two point on earth is achieved by

  • A
    Space wave communication
  • Correct answer
    B
    Sky wave communication
  • C
    Satellite wave communication
  • D
    Line of sight transmission

Solution

Sky waves are of practical importance of large distance communication.

Hence, the correct answer is option: 'B'.

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