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Standard X
Physics
Refractive Index
Question
Fill in the blank.
If c is velocity of light in air or vacuum and v that in a medium, then refractive index (n) =
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Solution
Verified by Toppr
The
refractive index
or
index of refraction
of a material
is a dimensionless number
that describes how light
propagates through that medium.
r
e
f
r
a
c
t
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v
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n
d
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x
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f
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=
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c
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f
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n
=
c
v
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