Answered

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[tex] \textbf{What do you mean by Refractive Index ?}[/tex]

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Sagot :

Aadhira

Rarefaction is the reduction of an item's density, the opposite of compression.

Rarefaction is the reduction of an item's density, the opposite of compression.

iuynsm

Answer:

The Refractive Index (RI) is defined as the ratio of the speed of light in a vacuum to its speed in the sample medium.

Formula:-

[tex]n = \displaystyle{ \frac{c}{v} }[/tex]

Where,

c is the speed of light and v is the phase velocity of light.

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