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(i) “The refractive index of diamond is 2.42”. What is the meaning of this statement? (ii) Name a liquid whose mass density is less than that of water but

it is optically denser than water.


The speed of light in diamond is 2.42
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It means that diamond has maximum capacity to deviate light from its path. kerosene is that liquid which is optically denser than water and has mass density less than water
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