Prism square is used for:
AMeasuring length
BCrown
CSetting out right angles
DObserving object
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A series of closely spaced contour lines represent:
A link of a metric chain is cm in length
In prismatic compass graduations are
The last reading taken from the instrument is called:
The imaginary line joining the point of inter section of crosshair at diaphragm and the optical centre of the object glass and its continuation is