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
AAxis of the level tube
BLine of collimation
CAxis of the telescope
DNone of the above
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The line joining the intersection of cross hair to the optical centre of object glass is:
Which of the following curve is mostly used in place where deflection angle is quite large?
For a well conditioned triangle, no angle should be less than:
The angle made by a survey line with the prolongation of preceding line, is known as
Length of a revenue chain is: