Question
Physics Question on Ray optics and optical instruments
A ray of light incident normally.on first face of prism and the emergent ray grazes the second surface. If A is angle of the prism and C is its critical angle then the correct choice is
A
A < C
B
A > C
C
A = C
D
A≥C
Answer
A = C
Explanation
Solution
Answer (c) A = C