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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

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