Civil Engineering - Advanced Surveying - Discussion
Discussion Forum : Advanced Surveying - Section 2 (Q.No. 39)
39.
To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30, 000, with a camera of 30 cm focal length, the flying height is
Discussion:
5 comments Page 1 of 1.
Subhash chandra said:
5 years ago
f=30 cm, h=1000 m,. scale=1:30000.
We know, scale=f/H-h.
1/30000=.30/H-1000,
So H=9000+1000,
H=10000.
We know, scale=f/H-h.
1/30000=.30/H-1000,
So H=9000+1000,
H=10000.
(2)
Pratiksha said:
5 years ago
Please explain the answer.
Abhishek said:
5 years ago
The correct answer is 10,000m.
(1)
Laxmi said:
6 years ago
The correct answer is 10000m.
(1)
Sajid said:
7 years ago
The answer is 10000m.
Because S = f/(H-h).
Because S = f/(H-h).
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