Q. Critical angle is that angle of incidence in the denser medium for which the angle of reflection in rarer medium is
A) 0${^\circ}$
B) 57${^\circ}$
C) 90${^\circ}$
D) 180${^\circ}$
Explanation
The correct answer is Option C: 90${^\circ}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.