1.

The height of T.V. tower is 125 m if its range is doubled for signal, find the new height:(1) 125 m (2) 250 m(3) 500 m(4) 300 m

Answer»

Correct option is (3) 500 m

d = \(\sqrt{2hR}\) 

2d = \(\sqrt{2h'R}\) 

h' = 4h  = 4 x 125 = 500 m



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