You are given water, mustard oil,


You are given water, mustard oil, glycerine and kerosene. In which of these media, a ray of light incident obliquely at same angle would bend the most ?

(a) Kerosene

(b) Water

(c) Mustard Oil

(d) Glycerine



Explanation : The ray would bend the most, when it goes from rarer medium (say air) to the most denser medium. Since refrac¬tive index of

glycerine is the highest among all these medium, so glycerine is the most denser medium.

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