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Byju's Answer
Standard XII
Physics
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What is the u...
Question
What is the unit for the index of refraction?
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Solution
There are no units for the index of refraction, because it is merely a ratio.
When you use the formula
n
=
c
v
, the units for
c
and
v
cancel each other out, because they are both measured in
m
/
s
, leaving no units.
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