The speed of light in a certain medium is V while its speed in a vacuum is C. The absolute refractive index of the medium is
a
C + V
b
\(\frac{C}{V}\)
c
\(\frac{V}{C}\)
d
C - V
Explanation
Correct Option
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Kennyerror404
1 year ago
How to decide which value to place where:
Speed of light in vacuum (
c :
This is always constant. It's the "standard" speed of light in a perfect, empty vacuum.
This goes in the numerator of the formula:
n = c / v
Speed of light in the medium (
v
This is the variable because it changes depending on the material (like air, water, or glass).
This goes in the denominator.
