When a ray of light passes through a rectangular slab, made up of some transparent material other than glass, the emergent ray is
A
Parallel to the incident ray produced
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B
Perpendicular to the incident ray produced
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C
Oblique to the incident ray produced
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D
Inclined to the incident ray produced
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Solution
The correct option is A Parallel to the incident ray produced Irrespective of the material it is made up of, when a ray of light passes through a rectangular slab, the emergent ray is parallel to the incident ray produced.