What is the ratio of the speed of light in a medium in vacuum?A. Refle – McqOptions

MCQOPTIONS

1.	What is the ratio of the speed of light in a medium in vacuum?A. Reflective indexB. Refractive indexC. Mediweek indexD. Air quality index
A.	C
B.	B
C.	D
D.	A
Answer» C. D

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