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Consider a glass slab which is silvered at one side and the other side is transparent. Given the refractive index of the glass slab to be 1.5. If a ray of light is incident at an angle of $45^{\circ}$ on the transparent side, then the deviation of the ray of light from its initial path, when it comes out of the slab is
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The correct answer is:
$90^{\circ}$
The ray diagram for the given situation is shown below
Hence, emergent rays comes out at angle of $90^{\circ}$ from incident ray.
Hence, emergent rays comes out at angle of $90^{\circ}$ from incident ray.
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