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A ray incident at an angle 53^(@) on a p...

A ray incident at an angle `53^(@)` on a prism emerges at an angle `37^(@)` as shown. If the angle of incidence is made `50^(@)` , which of the following is a possible value of the angle of emergence?

A

`35^(@)`

B

`42^(@)`

C

`40^(@)`

D

`38^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D

`delta_(2) lt delta_(1)`
`delta_(1) = i+e-A = 53^(@) + 37^(@)-A = 90-A`
`delta_(2) lt 90-A`
`e lt 40^(@)`
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ALLEN -GEOMETRICAL OPTICS-EXERCISE-2
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