0 votes 0 votes The combined correction due to curvature and refraction (in m) for a distance of $1$ km on the surface of Earth is: $0.0673$ $0.673$ $7.63$ $0.763$ Geomatics Engineering gate2015-ce-2 geomatics-engineering principles-of-surveying + – Milicevic3306 asked Mar 26, 2018 • recategorized May 28, 2021 by Chandanachandu Milicevic3306 11.9k points answer See all 0 reply