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Long distance short-wave radio broadcast...

Long distance short-wave radio broadcasting uses

A

sky wave

B

ground wave

C

space wave

D

ionospheric wave

Text Solution

Verified by Experts

The correct Answer is:
D
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Long distance short - wave radio frequency broadcasting uses:

Long distance radio broadcasts use short wave bands. Explain why?

A : Long distance radio broadcasts use short-wave bands. R : Ionosphere reflectes waves in these bands.

Statement 1: Long distance radio broadcasts use short wave bands. Statement 2: Short wavelength signals are reflected by the ionosphere.

Give reasons for the following: (i) Long distance radio broadcasts use short-wave bands. (ii) The small ozone layer on top of the stratosphere is crucial for human survival. (iii) Satellites are used for long distance TV transmission.

Why long distance radio broadcasts use shortwave bands?