what do you understand by the term refractive index?
Answers 2
Answer:
Refractive Index (Index of Refraction) is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density. The refractive index variable is most commonly symbolized by the letter n or n' in descriptive text and mathematical equations.
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Author:
durán0mqu
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Rate an answer:
7
Answer:
The refractive index of the second medium with respect to the first medium is given by the ratio of the magnitude of the velocity of light in medium first to that in 2
nd
medium. It is represented by
1
η
2
.
Refractive Index=
Velocity of light in second medium
Velocity of light in first medium
i.e.,
1
η
2
=
v
2
v
1
and
2
η
1
=
v
1
v
2
.
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Author:
loverep6u
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0
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