The speed of light in glass is approximately – McqOptions

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1.	The speed of light in glass is approximately
A.	3.0 × 108 m s-1
B.	2.3 × 108 m s-1
C.	2.0 × 108 m s-1
D.	2.6 × 105 m s-1
Answer» D. 2.6 × 105 m s-1

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