Reflection and refraction
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13 Terms
what is reflection?
when a wave changes direction at a boundary between two media, remaining in the original medium
what is the law of reflection?
angle of incidence=angle of reflection
does the wavelength change during reflection?
no
does the frequency change during reflection?
no
does the wavespeed change in reflection?
no
what is refraction?
when a wave changes direction as it changes speed when it passes from one medium to another
when a wave slows down it will……
refract towards the normal
when a wave speeds up it will……
refract away from the normal
whats the difference between the refraction of light and sound waves?
sound waves speed up in denser media but light waves slow down
does frequency change in refraction?
no
does wavelength change in refraction?
yes
does wavespeed change in refraction?
yes
what happens to a water wave when it enters shallower water?
it slows down and its wavelength gets shorter
Note 
Flashcards (421)