In levelling, the correction for curvature (in metres) is equal, where – McqOptions

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1.	In levelling, the correction for curvature (in metres) is equal, where D = Distance from the level to the staff reading in kilometres.
A.	0.00785 D2
B.	0.0785 D2
C.	0.0112 D2
D.	0.0673 D2
Answer» C. 0.0112 D2

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