The height of a tv tower is 100km how much population is coverd by its tericius the population density near tower is 1000km-3 and radius of earth is 6400km
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Solution :
h=100m
R=6.37×10^6m
ρ=1500×10^−6m^−2
Population covered = ρ×πd^2
=ρπ2hR
=1500×10^−622/7×2×100×6.37×10^6
=6×10^6
B2salunke:
Yours most welcome dear
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