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UGC-NET | UGC NET CS 2016 Aug – II | Question 26

Which of the following statements is not true with respect to microwaves?

(A)

Electromagnetic waves with frequencies from 300 GHz to 400 THz.

(B)

Propagation is line-of-sight.

(C)

Very high-frequency waves cannot penetrate walls.

(D)

Use of certain portions of the band requires permission from authorities.

Answer

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