The refractive index of alcohol is
The refractive index of water is : (a) 1.33 (b) 1.50 (c) 2.42 (d) 1.36
Find out, from Table, the medium having highest optical density. Also find the medium with lowest optical density.
Material
medium
Refractive index
Material medium
Refractive
index
Air
1.0003
Canada Balsam
1.53
Ice
1.31
-
Water
1.33
Rock salt
1.54
Alcohol
1.36
Kerosene
1.44
Carbon disulphide
1.63
Fused
quartz
1.46
Dense
flint glass
1.65
Turpentine oil
1.47
Ruby
1.71
Benzene
1.50
Sapphire
1.77
Crown
glass
1.52
Diamond
2.42
You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in Table.