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Laws of Refraction

Choose the op...

Question

Choose the optically denser medium from the given figure:.

A

Medium 2

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B

Medium 1

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C

Both media have the same optical density

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D

Cannot be determined

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Solution

The correct option is B Medium 1
When light travels from a rarer to a denser medium, it bends towards the normal and when light travels from a denser to a rarer medium, it bends away from the normal. In the figure, we can see that the light ray bends away from the normal. Therefore, we can infer that medium 1 is denser.

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Q. Total internal reflection can take place only if
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4.Angle of incidence is less than the critical angle.

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