Discussion :: Physics
- What is refractive index ?
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A.
It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. |
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B.
It is defined as the product of speed of light in medium and in vacuum. |
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C.
It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. |
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D.
None of above |
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Answer : Option C
Explanation :
The ratio of the velocity of light in a vacuum to its velocity in a specified medium.
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