Surveying
The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as

Perspective centre
Ground principal point
Iso-centre
Ground plumb point

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Spring tides are caused when

Solar tidal force acts opposite to lunar tidal force
Sun and moon are in line with earth
None of these
Solar tidal force and lunar tidal force both coincide

ANSWER DOWNLOAD EXAMIANS APP