Refraction from a Submerged Light Source

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A light beam is produced by a source submerged in an aqueous solution of refractive index . This Demonstration shows how the light source appears for different beam directions, divergences, and indices of refraction. The same effect causes a stick obliquely submerged in water to appear bent.

Contributed by: Bernard Vuilleumier (March 2011)
Open content licensed under CC BY-NC-SA




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