First slide

Nature of electromagnetic wave

Question

The distance up to which T.V, signals can be received depends upon

Moderate

A

radius of the earth
B

height of the antenna
C

radius of the earth and also height of the antenna
D

none of the above

Solution

Distance up to which signal can be transmitted or received is d = $\sqrt{2 R H}$
WHERE R = Radius of the earth
and H = height of the antenna

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