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Yes, the refractive index of a liquid often is different at different temperatures (usually negative; e.g. It goes down as temperature goes up), although typically the effect is very nominal. However, that is not to say that there is a constant relationship between Ref index & temperature. Refractive index is proportional to the square roots of electrical permittivity and magnetic permeability. These factors may change with temperature, but not linearly, and therefore RI does not have a simple relationship with temperature.
The (very high) refractive index of diamond is 2.4 at room temperature.(From Wikipedia: "Refractive index also describes the quantity that light is bent as it passes through a single substance."
Refractive Index: 1.4465
Refractive index of vacuum is 1.
Refractive Index: 2.4175-2.4178
it changes its refractive index.
what are the factors affect for refractive index
Yes, the refractive index of a liquid often is different at different temperatures (usually negative; e.g. It goes down as temperature goes up), although typically the effect is very nominal. However, that is not to say that there is a constant relationship between Ref index & temperature. Refractive index is proportional to the square roots of electrical permittivity and magnetic permeability. These factors may change with temperature, but not linearly, and therefore RI does not have a simple relationship with temperature.
Changing the pH the chemical composition is changed; as a consequence the the refractive index is influenced.
The (very high) refractive index of diamond is 2.4 at room temperature.(From Wikipedia: "Refractive index also describes the quantity that light is bent as it passes through a single substance."
The refractive index is a physical property of the medium that depends on the wavelength of the light, and the temperature. The temperature needs to be specified, and is usually 20 or 25 degree Celsius. The refractive index decreases with increasing temperature, and for most organic compounds one can correct for the temperature.
Refractive Index: 1.4465
Refractive index of vacuum is 1.
Refractive Index: 2.4175-2.4178
"The refractive index of water is 4 / 3" means the refractive index of water with respect to air. "The refractive index of glass is 3 /2" means the refractive index of glass with respect to air. You change the question as ," what is the refractive index of glass with respect to water? The answer is it is the ratio of refractive index of of glass with respect to air to the refractive index of water with respect to air =( 3/2) divided by( 4/3) = 1.125
I assume "molecular refractive index" refers to "the refractive index of a group of molecules". In this case, you just use the units for a refractive index - i.e., a dimensionless number.
The refractive index is determined experimentally.