Physics, 12.10.2020 19:01 ashleyjohnson2002

A light ray in air passes through a block of glass. What can be stated with regard to its speed after it emerges from the block?
A. Speed is less than when in glass
B. Speed is less than before it entered glass
C. Speed is same as that in glass
D. Speed is same as that before it entered glass

Answers: 2

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A light ray in air passes through a block of glass. What can be stated with regard to its speed aft...