In which substance in the table does the speed of light have the value ? Indices
ID: 1896624 • Letter: I
Question
In which substance in the table does the speed of light have the value ?Indices of Refraction*
Substance Index of Refraction,
GASES
Air 1.000293
Carbon dioxide 1.00045
LIQUIDS
Water 1.333
Ethyl alcohol 1.361
Glycerine 1.473
Benzene 1.501
Diiodomethane 1.738
SOLIDS
Ice (h2O) 1.309
Polystyrene 1.49
Glass 1.5-1.9
Sodium chloride (NaCl) 1.544
Diamond (c) 2.419
Rutile (TiO2) 2.62
* At 1 atm pressure and temperatures ranging from 0 to 20 , measured at a wavelength of 589 (the yellow line of sodium).
Which one of the following is the right answer?
Air
Carbon dioxide
Water
Ethyl alcohol
Glycerine
Benzene
Diiodomethane
Ice
Polystyrene
Glass
Sodium chloride (NaCl)
Diamond
Rutile
Explanation / Answer
if question is for high speed,
answer is air
since n = c/v
v = c/n
less refractive index more speed.
if question is for low speed,
answer is rutile