Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 16 (Q.No. 21)
21.
In an aerial photo, the image of the top of a tower is found to be 10 cm from the centre of thephotograph. If the height of the tower is 100 m and the flying height of the aircraft is 1000 m above the average terrain height, then the height displacement of the image from the true position will be
10 mm
20 mm
50 mm
100 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Supriya said:   5 years ago
d = rh/H = (10cm * 100m)/1000m = 10mm.
(1)

Nungshi said:   7 years ago
Here, d = rh/H.

Bikram said:   7 years ago
Pl solve the solution clearly.

Bikram said:   7 years ago
Please solve the question clearly to get it.

Lokesh meena said:   7 years ago
Please explain it.

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