Question:
The combined correction for curvature of Earth and refraction in levelling for a distance of 6 km would be ______ m (rounded off to two decimal places).
Assume the radius of earth is 6370 km.
The combined correction for curvature of Earth and refraction in levelling for a distance of 6 km would be ______ m (rounded off to two decimal places).
Assume the radius of earth is 6370 km.
Assume the radius of earth is 6370 km.
Updated On: Jan 31, 2026
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Verified By Collegedunia
Correct Answer: 2.4
Solution and Explanation
The correct answer is: 2.40 to 2.50 (approx.) OR -2.50 to -2.40 (approx.)
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