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Laws of Refraction

In refraction...

Question

In refraction of light through a glass slab, the directions of the incident ray and refracted ray are:

A

perpendicular to each other

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B

non-parallel to each other

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C

parallel to each other

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D

intersecting each other

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Solution

The correct option is C parallel to each other
R.E.F image
The gap t is called
"lateral Displacement"
$t = \frac{d s i n (i - r_{1})}{c o s r_{2}}$

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