The TV transmission tower at a particular station has a height of 125 m . For doubling the coverage of its range, the height of the tower should be increased by

Step-by-step solution

Maximum distance covered is given by d = 2 R h , here R is the radius. Now, to increase the length of radio transmission to 2 times, 2 d = 2 h ' R Height of tower is h ' = 4 h = 4 × 125 = 500   m ( aligned H=h^ -h &=500-125 &=375 aligned )