Aray of light is moving from a material having a high indexof refraction into a material with a lower index of refraction.
(a) is the ray bent toward the normal or awayfrom it?
toward the normal
awayfrom the normal
(b) if the wavelength is 600 nm in the material with the high indexof refraction, is it greater, smaller, or the same in the materialwith the lower index of refraction?
greater
smaller
thesame
(c) how does the frequency change as the light moves between thetwo materials? does it increase, decrease, or remain the same?
increase
decrease
remainthe same
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