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Brewster's angle at glass-air interface ...

Brewster's angle at glass-air interface is `54.74^(@).` If a ray of light is incident on glass from air at an angle `45^(@)`, then the magnitude of the refracted angle will be (given `tan54.74^(@) = sqrt(2)`)

A

`60^(@)`

B

`30^(@)`

C

`25^(@)`

D

`54.74^(@)`

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (MULTIPLE CHOICE QUESTIONS)
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  16. Brewster's angle at glass-air interface is 54.74^(@). If a ray of ligh...

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  19. When a polaroid, placed in the path of light is rotated , the intensit...

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