NEETPhysics-Optics
NEET Physics Dispersion MCQ Question
Type: MCQ-conceptual-Medium-Class 12
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
A
Blue
B
Green
C
Violet
D
Red
Correct Answer
Option D
Detailed Explanation
Red light travels faster in glass due to its longer wavelength, so it emerges first.
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