JacintoKovalsky JacintoKovalsky
  • 26-05-2015
  • Computers and Technology
Answered

which of the following electromagnetic waves are not used for communication? a.gamma rays b.microwaves c.infrared waves d.radio waves

Answer :

AL2006
AL2006 AL2006
  • 26-05-2015

Gamma rays are not used for communication.

-- We have no safe way to generate them.
-- We have no cheap way to detect them.
-- We have no way to impress information on them (modulate them).
-- They're dangerous.

Otherwise they're ideal for communication.


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