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JEE PHYSICS MCQ: RAY OPTICS
1
Medium
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Understanding
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A short pulse of white light is incident from air to a glass
slab at normal incidence. After travelling through the slab,
the first colour to emerge is
slab at normal incidence. After travelling through the slab,
the first colour to emerge is
View answer and explanation
Correct option: D
red
Option D is correct because red light has the highest velocity in glass compared to other colors, so it emerges first.
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