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CBSE Class 12-science Answered

jghuydgjk
Asked by | 06 Mar, 2008, 05:28: PM
Expert Answer

radio waves are propogated either through ground waves, sky waves, space waves.

TV signals can be broadcast by sky waves or space waves.

The choice of mode depends on the frequency of waves being transmitted.

Answered by | 19 May, 2008, 06:17: PM
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