A TV tower has a height of $150 \mathrm{~m}$. If the population density around the TV tower is $10^3…
A TV tower has a height of $150 \mathrm{~m}$. If the population density around the TV tower is $10^3 \mathrm{~km}^{-2}$ then the population covered by the tower is (Radius of the earth, $\mathrm{R}=6.4 \times 10^6 \mathrm{~m}$)