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Physics

Dispersion by a Prism

प्रिज़्म द्वारा वर्ण-विक्षेपण

In Class 12 Physics, this topic from Chapter 9: Ray Optics and Optical Instruments explains how a prism separates white light into its constituent colours. Students learn that different wavelengths travel with different speeds in glass and therefore experience different refractive indices, producing unequal deviation and a visible spectrum. The topic connects refraction, angle of deviation, dispersion, angular separation, and the formation of natural phenomena such as a rainbow.

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