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You are given water, mustard oil, glycerin 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) Glycerin
Answers (1)
Answer: D
The refractive indices of water, kerosene, mustard oil, and glycerin are 1.33, 1.44, 1.46, and 1.47, respectively. The ray would bend the most when it went from a rarer medium (say, air) to a denser medium. Since the refractive index of glycerin is the highest among all these mediums, glycerine is the most dense medium.
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