Q. The refractive index of water is 1.33. The direction in which a man under water should look to see the setting sun is

A) $49{^\circ}$ to the horizontal
B) $90{^\circ}$ with the vertical
C) $49{^\circ}$ to the vertical
D) Along the horizontal
Explanation

(c) Ray from setting sun will be refracted at angle equal to critical angle

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.