Please solve this ... Q.4. An equilateral prism deviates a ray of light through 23 ° for two angles of incidence, which differs by 23 ° . The refractive index of prism is a) 33 5 b) 43 5 c) 1.5 d) 4 3 Share with your friends Share 3 Shobhit Mittal answered this -13 View Full Answer