Which type ofwaves are used for wireless communication.
a) Electromagnetic waves
b) Longitudinal waves
c) Transverse waves
d) None

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Answer:
A is right answer...
Explanation:
Radio waves are used for wireless transmission of sound messages, or information, for communication, as well as for maritime and aircraft navigation. The information is imposed on the electromagnetic carrier wave as amplitude modulation (AM) or as frequency modulation (FM) or in digital form (pulse modulation).
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