The angle between the reflection surfaces of a prism square is -
(a) 30 degrees
(b) 45 degrees
(c) 60 degrees
(d) 75 degrees.
The correct Answer Is
(b) 45 degrees
(a) 30 degrees
(b) 45 degrees
(c) 60 degrees
(d) 75 degrees.
The correct Answer Is
(b) 45 degrees