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GATE CE 2022 Set 1
MCQ (Single Correct Answer)
+1
-0.33

An aerial photograph is taken from a flight at a height of 3.5 km above mean sea level, using a camera of focal length 152 mm. If the average ground elevation is 460 m above mean sea level, then the scale of the photograph is

A
1 : 20000
B
1 : 20
C
1 : 100000
D
1 : 2800
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