Question

At a particular station, the TV transmission tower has a height of 100 m. To triple its coverage range, height of the tower should be increased to

(A) 200 m

(B) 300 m

(C) 600 m

(D) 900 m

Answer 1

Correct option is (D) 900 m

Let d be range

Now, if coverage is to be increased 3 times

If h = 100 m then tower of height 900 m is required.