What is the Basic Principle of Refraction?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
The basic principle of refraction is that light changes speed when it moves from one transparent medium to another, causing it to change direction. This occurs because light travels at different velocities in different materials. When light enters a denser medium, it slows down and bends toward the normal; when it enters a less dense medium, it speeds up and bends away from the normal.
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