Cross hair in surveying telescope are fitted
AAt the center of telescope
BIn the objective glass
CIn front of eye-piece
DAt the middle of the instrument
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The radius of a one degree curve is m
The horizontal angle between the true meridian and magnetic meridian is Known as
The bending moment at the free end of a cantilever beam carrying any type of load is
The maximum particle size of fine aggregate is
The first contact point of community with Medical Officer :