JEE Main & Advanced
Physics
Question Bank
Prism Theory and Dispersion of Light
question_answer
The refractive index of a material of a prism of angles 45°? 45° ? 90° is 1.5. The path of the ray of light incident normally on the hypotenuse side is shown in [EAMCET 1985]
A)
B)
C)
D)
Correct Answer:
A
Solution :
According to given conditions TIR must take place at both the surfaces AB and AC. Hence only option (a) is correct.