Q. A beaker containing a liquid appears to be half when it is actually two third full.The refractive index of liquid

A) 7/6
B) 6/5
C) 3/2
D) 4/3
Explanation

(d) $\mu = \frac{\frac{2}{3}h}{\frac{1}{2}h} = \frac{4}{3}$
$h$ being depth of beaker.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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