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The polarising angle of glass is 57^(@) ...

The polarising angle of glass is `57^(@)` . A ray of light which is incident at this light which is incident at this angle will have an angle of refraction as

A

`43^(@)`

B

`25^(@)`

C

`38^(@)`

D

`33^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
Given `theta_(P)=57^(@)`
According to Brewter's law we have
`theta_(P)+r=90^(@)rArrr=90^(@)-theta_(P)rArrr=90^(@)-57`
Angle of refraction `r=33^(@)`
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