Question

whhat is the difference between absolute refrative index and refractive index.​

Answer 1

Answer:

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Relative refractive index: When light travels from one medium to another medium, then the refractive index is known as the relative refractive index. Absolute refractive index: When light travels from vacuum to another medium, then the refractive index is known as the absolute refractive index.

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Answer 2

• Refractive index: It is defined as the bending of light rays while the light ray enters from one medium to another. It is denoted by the letter n and expressed as:

n=fraccv

Where,

• c is the speed of light with a certain wavelength in the air
• v is the speed of light in the given medium

Following are the factors on which the refractive index is dependent:

• Nature of the medium
• Physical conditions
• Colour of the wavelength of light

Therefore, these are the factors that determine the refractive index.

• Absolute refractive index: When light travels from vacuum to another medium, then the refractive index is known as the absolute refractive index.