Causes of Refraction of Light

Subject: Science

Overview

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Things to remember
  • The speed of light in air, water, and glass is 3×108 m/s, 2.2 ×108 m/s and 2×108 m/s respectively.
  • The change in speed of light when it passes from one medium to another is the cause of the refraction of light.
  • The optical medium, in which the velocity of light is more, is called rarer medium.
  • The medium in which the velocity of light is comparatively less is called denser medium.

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