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How do you find the wavelength and refractive index of a liquid used by using newton's ring.?
Wiki User
∙ 11y ago
We have one experimental formula connecting the wavelength of radiation in air as
Lambdaair =( r2n+m - r2n )/ m R
Now we have pour the liquid in between the lens and glass plate. So intead air film we have a liquid film. So wavelength Lambdaliq can be found by the similar expression
Lambdaliq =( s2n+m - s2n )/ m R
Refractive index = lambda in air / lambda in liq
Hence refractive index = ( r2n+m - r2n )/ (s2n+m - s2n )
Wiki User
∙ 11y ago
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What color of light has the highest refractive index?
The refractive index is inversely proportional to the wavelength, so the shorter the wavelength (the higher the frequency, or the more "blue" the light) the higher the refractive index. Conversely, the longer the wavelength (the lower the frequency, or the more "red" the light), the lower the refractive index. Therefore as wavelength of blue in less the refractive index will be maximum. For more information, follow the related link below.
Is there any effect of wavelength on refractive index?
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).
Determine the refractive index of a transparent liquid by an interferance methode?
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Glasses of various types have refractive indices ranging from 1,4 to over 2,0
What are the factors that affect refractive index?
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How does refractive index vary with wavelength?
Part 1 - WHY does refractive index vary?The refractive index of a material is determined by how quickly light travels through it. Different wavelengths travel at different speeds, hence the refractive index varies with wavelength. This is known as (chromatic) dispersion.In glass, red light travels faster than blue light, which is why a prism can be used to split white light into a rainbow.Part 2 - HOW does refractive index vary? (ie. Define the relationship).Sorry - I haven't a clue. I'm looking for the answer as well!
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