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The refractive index depends on the wavelength of the radiation.

Traditionally the sodium line NaD20 (589,3 nm) is used for measurements (20 is the temperature on the Celsius scale).

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Q: Is there any effect of wavelength on refractive index?
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Is there any effect of wavelength on refractiv index?

Yes. Normally the refractive index is slightly different for different wavelengths.


How do you calculate speed of light wave with refractive index?

The speed of light in any medium isspeed of light in vacuum/refractive index of that medium.


Differences between relative refractive index and absoulate refractive index?

Refractive Index(i) Refractive index of a medium is that characteristic which decides speed of light in it.(ii) It is a scalar, unit less and dimensionless quantity.(iii) Absolute refractive index :When light travels from vacuum to any transparent medium then refractive index of medium w.r.t. vacuum is called it's absolute refractive index i.e. vacuumµmedium = c/vAbsolute refractive indices for glass, water and diamond are respectively µg = 3/2 = 1.5, µw = 4/3 = 1.33 and µD = 12/5 = 2.4(iv) Relative refractive index :When light travels from medium (1) to medium (2) then refractive index of medium (2) w.r.t. medium (1) is called it's relative refractive index i.e. 1µ2 = µ2/µ1 = v1/v2 (where v1 and v2 are the speed of light in medium 1 and 2 respectively).(v) When we say refractive index we mean absolute refractive index.(vi) The minimum value of absolute refractive index is 1. For air it is very near to 1. ( 1.003)


What is the index of refraction (n)?

The prism is an optical device which offers different refractive index for different colours. If we take the case of white light which consists of "VIBGYOR". The red light will have less refractive index when compared to Violet or Blue colurs. The refractive index depends on the wavelength of the incident wave. If the wavelength is more , refactive index is less and vice versa. Uma


Is there any relation between boiling point and refractive index?

No, not quantitatively, not qualitatively.


How is the refractive index of one medium with respect to the otherrelated to the speed of light?

The refractive index of any substance is(speed of light in vacuum)/(speed of light in that substance) .The number is greater than ' 1 ' in any material medium.


What is refractive index of AIR?

1Ideally speaking, the ratio of the sines of the angles of incidence and refraction will be the same if the medium is the same. So the refractive index will be 1.However, refractive index is, again, a relative value. If we say that the refractive index of glass is 1.5, it implies that the refractive index of glass, with respect to air is 1.5. So the value might change based on the media involved in refraction.It can also be safely concluded, without much Physics, that any multiplicative quantity for the standard element will be 1. (ex: speed of sound is Mach 1)


Why does a diamond shine?

When cut and polished , it has a high refractive index , and reflects any available light.


What is the speed of light in a glass fiber optic cable with a refractive index of 1.52?

In any medium whose refractive index is 1.52, the speed of light is c/1.52 = 0.658 c =197,231,880 meters per second (rounded)


What happens when a wave changes medium?

On passing from one medium to another, the frequency of any wave stays constant. The wavelength changes such that the new wavelength equals the old wavelength multiplied by the old refractive index divided by the new refractive index. Lnew = Lold x (Nold/Nnew) Where L is the wavelength and N is the refractive index. The refractive index is a property related to wave velocity, which will vary in different mediums.


What is the Nature of a convex lens immersed in a liquid with a refractive index same as of glass?

The "nature" of it is the same as if it weren't immersed. However, if it has the same refractive index as the material it's immersed in, it will no longer have any discernable effect on the refraction of light; from the outside it will appear to just be another part of the liquid (it may well disappear from sight, since it's no longer visually distinguishable from the liquid itself).


What effect if any does increasing the speed of the plunger have on the wavelength of the waves?

It will shorten the wavelength.