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REFRACTION OF LIGHT - STRAW IN GLASS OF WATER (2 of 2)
Refraction When Straw Enters Water at an Angle
Light rays passing from one medium to another are refracted at the boundary between the two media. However when the object is viewed as a perpendicular to the boundary point, in this case from above, no refraction is observable.
Copyright:© 2007 Richard Megna - Fundamental Photographs
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