PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments
Problem
At the interface of an unknown glass and water (nwater=1.33), the measured critical angle is 48.6∘. Determine the refractive index of the glass.
(a) 1.50
(b) 1.77
(c) 2.01
(d) 1.57