A light ray moves from X to Y through an optical fibre. At Y, the angle of incidence is larger than the critical angle. In what direction does the light ray travel after it reaches point Y?
Physics 5054 · O Level · Refraction of light
Physics 5054 · O Level · Refraction of light
A light ray moves from X to Y through an optical fibre. At Y, the angle of incidence is larger than the critical angle. In what direction does the light ray travel after it reaches point Y?