Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 24 (Q.No. 14)
14.
A lighthouse is visible just above the horizon at a certain station at the sea level. The distance between the station and the lighthouse is 40 km. The height of the lighthouse is approximately
Discussion:
4 comments Page 1 of 1.
Chhaya said:
8 years ago
40^2*0.0675 = Height.
Uttarayan said:
8 years ago
0.0673D^2, where D=40km.
Manju said:
7 years ago
D=3.855√h,
40/3.855=√h,
h = 107.66m.
40/3.855=√h,
h = 107.66m.
Hamid said:
3 years ago
The Combined correction for refraction and curvature = 0.0673D^2.
= 0.0673(40)^2.
H = 107.68m.
= 0.0673(40)^2.
H = 107.68m.
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