Surveying
For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through

Principal point
None of these
Isocenter
Plumb point

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The meridian of a place is

A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
A great circle passing through the place and the poles
A semi-circle which passes through the place and is terminated at the poles
An arc of the great circle which passes through the place and is perpendicular to the equator

ANSWER DOWNLOAD EXAMIANS APP