Waves that are required for long distance wireless communication are
(A) Infrared rays
(B) Ultraviolet rays
(C) Radio waves
(D) Microwaves
Correct Answer : Radio waves
Question Asked : SSC Combined Matric Level (Pre) Exam 2002
Explanation : Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short, such as a few metres for television remote control, or as far as thousands or even millions of kilometres for deep-space radio communications.
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