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Homework Statement
A slab of glass has a refractive index of 1.3. What will be the speed of light in this glass?
Homework Equations
The Attempt at a Solution
[tex]\frac{sin i}{sin r}=1.3[/tex]
?
Refractive index is a measure of how much light bends when it passes through a medium. It is defined as the ratio of the speed of light in a vacuum to the speed of light in the medium.
Refractive index and speed of light are inversely proportional to each other. This means that as the refractive index increases, the speed of light decreases, and vice versa.
The refractive index of a medium is affected by its composition, temperature, and density. Different materials have different refractive indexes due to variations in their molecular structure.
No, according to the theory of relativity, the speed of light in a vacuum is the maximum speed at which energy, matter, and information can travel. This is a fundamental limit in the universe.
The refractive index of a material can be measured using a device called a refractometer. This instrument measures the angle at which light bends as it passes through the material and uses this information to calculate the refractive index.