AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
D – Red
Red light bends the least while passing through a glass prism, as different colours bend through different angles; violet bends the most.
Source: Chapter 10, Section 10.4 – Dispersion of White Light by a Glass Prism
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The textbook explicitly states: "The red light bends the least while the violet the most." In dispersion, VIBGYOR is the order from most deviated (Violet) to least deviated (Red). Examiners expect you to recall this directly — just state the colour and give a one-line reason.