Question : To cover a population of 20 lakh, a transmission tower should have a height: (radius of the earth = 6400 km, population per square km = 1000)
A. 25 m
B. 50 m
C. 75 m
D. 100 m
Answer:B
Question : To cover a population of 20 lakh, a transmission tower should have a height: (radius of the earth = 6400 km, population per square km = 1000)
A. 25 m B. 50 m C. 75 m D. 100 m