CEllvienicale3e8hena CEllvienicale3e8hena

26-03-2016
Physics

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In which of the following materials is the velocity of light greatest?
A. Air
B. Water
C. Crown glass
D. Fused quartz

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26-03-2016

Air, because it is the least dense material listed, meaning that light can travel through it quicker because there are less particles for it to collide with which would cause it to slow down as it loses energy with each collision

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