Refraction Index Ratio: How to Calculate with 2 Unknowns

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To calculate the refraction index ratio of two unknown materials, one must use the formula n = c/v, where c is the speed of light and v is the speed of the wave in the medium. The discussion highlights confusion regarding the relevance of the speed of sound in this context, emphasizing that the speeds in the refraction index formula pertain to light, not sound. Clarification is sought on the definition of the refraction index, indicating a need for precise terminology. The importance of accurately identifying the correct speeds for the calculation is stressed. Understanding the distinction between sound and light speeds is crucial for solving the problem effectively.
Spectre32
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How do u figure out the ratio of the refraction index if you have to unknown materials, that of which, one is 1.25 greater than the speed of sound.
 
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If you are asking about the optical index of refraction, could you please reword your question. You mention "speed of sound"--what's that got to do with it?
 
What is the DEFINITION of "refraction index"?
 
Well to figure out the refraction index the formula is liek n= c/v. Therefore knowing the speed of sound is important. I'm just baffled as to how to get that ratio.
 
Spectre32 said:
Well to figure out the refraction index the formula is liek n= c/v. Therefore knowing the speed of sound is important.
You realize, I hope, that the speeds referred to in that equation for index of refraction are speeds of light, not sound!
 
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