Refraction, When waves change direction, Frequency, This is measured in Hertz, Longitudinal, Sound waves are an example of this type of wave, Transverse, Light is an example of this type of wave, Diverging, Short sightedness is corrected using this type of lens, Convex, A converging lens is also known as a BLANK lens, Retina, The light sensitive part of the eye, Spectular, The type of reflection when light reflects off a smooth surface.

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