Refraction is the bending of light when it moves from a medium of one refractive index into a medium with a different refractive index.
(Refraction; is; the bending of light; T:when it moves from a medium of one refractive index into a medium with a different refractive index) (it; moves; from a medium of one refractive index; into a medium with a different refractive index)
Refraction it
is moves
the bending of light T:when it moves from a medium of one refractive index into a medium with a different refractive index
from a medium of one refractive index into a medium with a different refractive index