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A TV tower ha...

Question

A TV tower has a height of 400m at a given place. If the radius of the earth is 6400 km, its coverage range is:

A

61.55 Km

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B

51.55 km

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C

71.55 Km

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D

81.55 Km

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Solution

The correct option is C
71.55 Km

Here, h_t = 400m, and R = 6400 km = 6400 x 1000m

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