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Question

If for a pair of media, the value of sin isin r is greater than 1, then which of the following statement is true?


A

If light goes from medium A to medium B, it will bend towards the normal

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B

If light goes from medium A to medium B, it will bend away from the normal

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C
If light goes from medium A to medium B its speed reduces
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D
If light goes from medium B to medium A its speed increases
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Solution

The correct option is A

If light goes from medium A to medium B, it will bend towards the normal


sin isin r=v1v2
Hence, if the value is greater than 1, it implies
v1>v2.
So, the medium the light is entering into has a lower velocity of light in it. So, the ray will bend towards the normal.


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