The bending of a light wave when it is moving from one medium to another the light wave tends to go towards the normal or away from the normal, this phenomenon is known as refraction.
The fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
Change in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front.
Measurement of the focusing charactertics of an eye
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Answer:
The bending of a light wave when it is moving from one medium to another the light wave tends to go towards the normal or away from the normal, this phenomenon is known as refraction.
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