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Frequencies in the Uhf Range Normally Propagate by Means Of: - CBSE (Science) Class 12 - Physics

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Question

Frequencies in the UHF range normally propagate by means of:

(a) Ground waves.

(b) Sky waves.

(c) Surface waves.

(d) Space waves.

Solution

(d) Answer:

Space waves

Owing to its high frequency, an ultra high frequency (UHF) wave can neither travel along the trajectory of the ground nor can it get reflected by the ionosphere. The signals having UHF are propagated through line-of-sight communication, which is nothing but space wave propagation.

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APPEARS IN

 NCERT Solution for Physics Textbook for Class 12 (2018 to Current)
Chapter 15: Communication Systems
Q: 2 | Page no. 530

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Solution Frequencies in the Uhf Range Normally Propagate by Means Of: Concept: Bandwidth of Signals.
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