V

Vikash Gupta • 33.56K Points
Instructor I 

Q. In levelling, the correction for combined curvature and refraction (in metres) is equal to ?

(A) 0.0785 D²
(B) 0.00785 D²
(C) 0.0673 D²
(D) 0.0112 D²
Correct : Option (C)

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