Q

A beam of white light passes through a glass prism and splits into different colors. Which physical phenomenon is primarily responsible for the separation of colors after refraction through the prism?

RRB Group D 10 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: D Dispersion of light
A prism disperses white light because different wavelengths undergo different amounts of refraction in glass.
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