MCAT Question of the Day
    •

    Q:

    		 Refractive index for an optical medium is defined as:
    		 

    A

    		 speed of light through a vacuum composed of this optical medium.

    B

    		 the velocity at which light would escape the medium.

    C

    		 ratio of speed of light in a vacuum and speed of light through the medium.

    D

    		 fractional wavelength decrease of a light traveling through this medium when compared to a vacuum.



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