The angle of intersection of the horizon glass and index glass in an optical square is
A75°
B60°
C45°
D30°
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The ring contours having the values increased inwards indicates
Which method of milling process is producing flat surface parallel to the column ?
0.1225 ന്റെ വർഗ്ഗമൂലം എത്ര?
When a curve is to be set out over a rough ground, the method used is:
An obstacle which obstructs both chaining and vision is