Question

To double the covering range of TV transmittion tower, its height shoould be multiplied by:-

• A. $\frac{1}{\sqrt{2}}$
• B. $4$
• C. $\sqrt{2}$
• D. $2$

Answer 1

The correct option is B $4$

Range $=\sqrt{2hR}$

To double the range h have to be made 4 times