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why does wave refraction occur
what is wave refraction and why does it occur
what happens when a wave is refracted
refraction happens when a wave
what causes wave refraction
how do waves refract
how do waves refract simple definition
when a wave undergoes refraction
what is a refracted wave
refraction occurs when a wave
why do refracting waves bend
why does wave refraction occur, what is wave refraction and why does it occur, what happens when a wave is refracted, refraction happens when a wave, what causes wave refraction, how do waves refract, how do waves refract simple definition, when a wave undergoes refraction, what is a refracted wave, refraction occurs when a wave, why do refracting waves bend
