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प्रश्न
“A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself.” Draw labelled ray diagram to justify the statement.
उत्तर
EF is the incident ray and GH is the emergent ray which is parallel to the incident ray.
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संबंधित प्रश्न
If the speed of light in vacuum is 3 × 108 ms−1, find the speed of light in a medium of absolute refractive index 1.5.
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(A) I
(B) II
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(D) IV
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