α and β are the angles subtended by a point of elevation h at their – McqOptions

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1.	α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being S and f respectively. Parallax displacement of the point due to relief, is
A.	A
B.	B
C.	C
D.	D
Answer» D. D

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