A TV transmission tower antenna is at a height of $20m$ . Suppose that the receiving antenna is at.
(i) ground level
(ii) a height of $5m$ .
The increase in antenna range in case (ii) relative to case (i) is $n %$ . The value of $n$ , to the nearest integer, is.

Question

A TV transmission tower antenna is at a height of

20m

. Suppose that the receiving antenna is at.
(i) ground level
(ii) a height of

5m

.
The increase in antenna range in case (ii) relative to case (i) is

n %

. The value of

n

, to the nearest integer, is.

Quantrex Academy · Accepted Answer

Correct answer: 0

Range = 2Rh Range (i) = 2Rh Range (ii) = 2Rh + 2Rh ' where h = 20m and h ' = 5m Ans = 2Rh ' 2Rh × 100 % = 5 20 × 100 % = 50 %

A TV transmission tower antenna is at a height of 20m . Suppose...