Question No : 15
From the principal point the horizon point lies on the principal line at a distance of
Question No : 16
Pick up the correct statement from the following:
Question No : 17
Sidereal day
Question No : 18
Circumpolar stars
Question No : 19
The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is
Question No : 20
Triangulation surveys are carried out for locating
Question No : 21
In triangulation surveys