5. Optical square is Options: A . &nbspEngineer's square having stock and blade set at 900 B . &nbspA constant deviation prism having the angle of deviation between the incident ray and reflected ray, equal to 90? C . &nbspA constant deviation prism having the angle of deviation between the incident ray and reflected ray, equal to 45? D . &nbspUsed to produce interference fringes

5. Optical square is

Question

5. Optical square is

Options:

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

Answer: Option B

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