Knowledge Sections Q No 22 Optical square is A Engineer s

Last updated: 6/12/2023

Knowledge Sections Q No 22 Optical square is A Engineer s square having stock and blade set at 900 B A constant deviation prism having the angle of deviation between the incident ray and reflected ray equal to 90 C A constant deviation prism having the angle of deviation between the incident ray and reflected ray equal to 45 D Used to produce interference fringes 7