Optics Question 316
Question: A TV tower has a height of 100 m. The average population density around the tower is 1000 per km2. The radius of the earth is
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
Population covered = 2phR ´ Population density = 2p ´ 100 ´ 6.4 ´ 106 ´
