A tile is actually below the surface of still water
PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
A tile is actually 40cm below the surface of still water. To a person looking vertically down, it appears nearer. By what percentage is the depth underestimated? (Take refractive index of water =1.33.)
(a) 43%
(b) 24%
(c) 58%
(d) 33%