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Babita • 7.70K Points
Tutor III Physics

  • (A) Microwave
  • (B) Optical fiber
  • (C) Radio wave
  • (D) All are operating at nearly the same propagation speed
  • Correct Answer - Option(A)
  • Views: 290
  • Filed under category Physics

Explanation by: Babita
A microwave is the fastest communication channel whereas Optical fiber is a way of transferring data not a way of communication.

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