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SAT® Subject Test in Physics

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Important Property

SATPHY-HEYGKE

The ratio of the speed of light in a vacuum to the speed of light in a particular material is called what?

A

the coefficient of diffraction of the material

B

the index of refraction of the material

C

the coefficient of refraction of the material

D

the index of diffraction of the material

E

the modulus of diffraction of the material