In levelling, the correction for combined curvature and refraction (in metres) is equal to
A)0.00785 D2
B)0.0785 D2
C)0.0112 D2
D)0.0673 D2

Name: In levelling, the correction for combined curvature and refraction (in metres) is equal to A)0.00785 D2 B)0.0785 D2 C)0.0112 D2 D)0.0673 D2
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The Answer of In levelling, the correction for combined curvature and refraction (in metres) is equal to
A)0.00785 D2
B)0.0785 D2
C)0.0112 D2
D)0.0673 D2

In Levelling, the Correction for Combined Curvature and Refraction (In