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SAT® Subject Test in Physics

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Speed of Light in Glass

SATPHY-1G22NY

What is the speed of light in glass if the index of refraction of the glass is 1.63?

A

$ 4.89\times {10 }^{ 8 }\ m/s $

B

$ 5.43\times { 10 }^{ -9 }\ m/s $

C

$ 3.00\times{ 10 }^{ 8 }\ m/s $

D

$ 1.84\times { 10 }^{ 8 }\ m/s $

E

$ 4.63\times{ 10 }^{ 8 }\ m/s $