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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2004
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Q)
A light ray is incident perpendicular to one face of a
90
∘
prism and is totally internally reflected at the glass-air interface. If the angle of reflection is
45
∘
, we conclude that the refractive index
n
<br>
( A )
n
<
1
√
2
( B )
n
>
1
√
2
( C )
n
>
√
2
( D )
n
<
√
2
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