27. The increasing order of the refractive index of certain materials is (left to right) ________ A.Rocksalt, Benzene, Kerosene, Ice B.Rock Salt, Ice, Benzene, Kerosene C.Ice, Kerosene, Benzene, Rock Salt D.Kerosene, Ice, Benzene, Rock Salt
Option C Solution: The increasing order of the refractive index of certain materials is (left to right) Ice, Kerosene, Benzene, Rock Salt.