Sun March 03, 2013 By: Abhishek Roy

what are rarer medium and denser medium?

Expert Reply
Sun March 03, 2013
IF we are talking about density, then a denser medium if the one which has a higher mass per unit volume and a rarer medium is the one with lower.
In context of optics, the medium having higher refractive index is called a denser medium and the other one is called rarer.
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