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INTERNAL REFLECTION AND REFRACTION OF LIGHT<br />
Three light beams are refracted by a prism<br />
Light changes speed as it enters the prism and is refracted.

Fphoto-21398708D-1KK.jpg

INTERNAL REFLECTION AND REFRACTION OF LIGHT
Three light beams are refracted by a prism
Light changes speed as it enters the prism and is refracted.

Copyright:© 1987 Ken Kay - Fundamental Photographs

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