Mht Cet
Ray Optics
MHT CET 2021 20th September Morning Shift
MCQ+1 / -02021
A ray of light travels from a denser medium to a rarer medium. The reflected and the refracted rays are perpendicular to each other. If '\(r\)' and '\(r_1\)' are the angle of reflection and refraction respectively and '\(\mathrm{C}\)' is the critical angle, then the angle of incidence is