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Refraction is the change in direction of propagation of a wave due to a change in its transmission medium...
The phenomenon is explained by the conservation of energy and the conservation of momentum.
Due to the change of medium, the phase velocity of the wave is changed but its frequency remains constant.
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thanx to Cecilia De Donnantonio for the photography
TRILOGY OF REFRACTION
T.O.R. 01 - detail
T.O.R. 02 - detail
T.O.R. 03 - detail
Thanks for Watching
