Why Does Light Refract or Bend When Going through Glass or Water?

Answer

Light refracts in water due to the passage through matters with different density. When moving from air to water, air is less dense while the water is more dense. Light then bends toward the normal.
Q&A Related to "Why Does Light Refract or Bend When Going through..."
Explained by the theory of Q.E.D. (Quantum electrodynamics)
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If light travels straight through a glass of water, it slows down. If light travels through a glass of water of an angle, the light that hits the closer edge will slow down sooner
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The refraction occurs because when light hits glass or
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3*10^5 m/sec is the speed of light in air. Speed of light changes from one medium to another. c is a constant and is the speed of light in vacuum.
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Explore this Topic
The steps followed to do refraction are, put water in a glass, make it half way the water, put a pencil into the glass of water, make observations by adjusting ...
Refraction of light refers to the bending of light. This occurs due to a change in the speed at which light travels when it travels through different media. The ...
Refraction is caused by light that passes between air, water and glass. The light only bends when it passes from a substance of one density into a substance of ...
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