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? [NCERT Exemplar]
(a) Kerosene
(b) Water
(c) Mustard oil
(d) Glycerine
Answers
Answer:
mustard oil
Explanation:
the the reason is given below
first later see the densities of different particles in the light bending is more due to higher refractive index this is achieved when the optical density is very high this is a total theory and concept.
now water has very less optical density compared to kerosene kerosene is one of the lightest and optical density in petroleum products also glycerine also very optical light a denser compared to both water and kerosene oil has the highest density as well as optical density so it has a higher refractive index and light bends more.
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Answer:
(d) Glycerine is the correct answer.
Explanation:
A ray of light incident at some material bends according to how much denser or rarer.
According to the question , the ray of light is incident obliquely on Kerosene, Water, Mustard Oil and Glycerine.
We can say one thing that out of the four which is most dense will have bending the most.
Let's see by comparing refractive index of all things, as refractive index is the ratio of the velocity of light in vacuum to its velocity in a specified or given medium.
Refractive index of water = 1.33
Refractive index of mustard oil = 1.46
Refractive index of glycerine = 1.473
Refractive index of kerosene = 1.39
By, all refractive indexes we can see that glycerine has the highest refractive index which means it is the most sense and light will bend the most in it.