Q 12-08-107JEE MainJEE Main 2023 (6 Apr, Shift 1)Easy
By what percentage will the transmission range of a TV tower be affected when the height of the tower is increased by $21\%$?
Answer: (C) $10\%$
$d=\sqrt{2Rh}\propto\sqrt h$: $\sqrt{1.21}=1.1$, a $10\%$ increase.
Solution by Sreeraj P, M.Sc Physics