Q. When the angle of deviation for refraction through the prism is minimum then the true statement is Angle of incidence is equal to:

1468 241 Ray Optics and Optical Instruments Report Error

A

the angle of refraction

32%

B

the angle of emergence

41%

C

half the angle of prism

23%

D

half the angle of deviation.

5%

Solution:

$i_{0} = i_{2}$