TNPSC bilingual study article

Light: Refraction Laws and Refractive Index

Light bends because its velocity changes between optical media; Snell's law quantifies the change.

2 minute readUpdated 21 Aug 2026

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ENGLISH PUBLIC PREVIEW

Light bends because its velocity changes between optical media; Snell's law quantifies the change.

தமிழ் பொது முன்னோட்டம்

ஊடகங்களுக்கு இடையே திசைவேகம் மாறுவதால் ஒளி விலகுகிறது; ஸ்நெல் விதி அதை அளவிடுகிறது.

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