The product of the Geometric Length of the path light follows through the system, and the refractive index of the medium is known as __________

The product of the Geometric Length of the path light follows through

1.	The product of the Geometric Length of the path light follows through the system, and the refractive index of the medium is known as __________
A.	Fermat Path
B.	Optical Path
C.	Ray Path
D.	Optical Path Difference
Answer» C. Ray Path

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The product of the Geometric Length of the path light follows through the system, and the refractive index of the medium is known as __________

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