HomePhysics The angle of incidence from aIRR to glass at the point o on the hemispherical glass slab is. byBalkishan Agrawal -July 12, 2022 0 The angle of incidence from air to glass at point “O” on the hemispherical glass slab is(a) 45°(b) 90°(c) 0°(d) 180°Answer: (c) 0° Tags: Physics Facebook Twitter