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CBSE Class 9 Answered

a tv tower has a height of h meters. what is the area of the earth's surface over which its signals
Asked by | 22 Aug, 2008, 11:57: PM
Expert Answer

area of the earth surface covered by an antenna of height h is πd2 where d=(2Rh)1/2 where R is the radius of the earth.

Answered by | 23 Aug, 2008, 01:17: PM
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