To obtain photographs of an area of 1000 m average elevation, on scale – McqOptions

MCQOPTIONS

1.	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
A.	Longitudes east of Greenwich are taken as negative
B.	Longitudes west of Greenwich are taken as positive.
C.	Both (c) and (d) of the above.
D.	4000 m
Answer» D. 4000 m

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