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Refraction

A beam of lig...

Question

A beam of light passes from the air through a thick piece of glass as shown in the figure. Identify which of the following angles best describe the angle of refraction?

A

1

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B

2

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C

3

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D

4

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E

5

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Solution

The correct option is B 4
When light travels from rarer medium to denser medium it bend towards the normal as it changes direction this process is known as refraction . Angle of refraction is measured from the normal (drawn at the interface of the two mediums) to the refracted ray.
Therefore option D is correct.

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