The following table gives the refractive indices of a few media:


Use this table to give an example of:


(i) a medium pair so that light speeds up when it goes from one of these medium to another.


(ii) A medium pair so that light slows down when it goes from one of these medium to another.

(i) Example of a medium pair so that light speeds up when it goes from one of these medium to another is Crown glass to water

(ii) Example of A medium pair so that light slows down when it goes from one of these medium to another is Water to diamond


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