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kohl- chapter 29
Question | Answer |
---|---|
what law states that the angle of incidence and the angle of reflection are equal to each other? | law of reflection |
what is the line perpendicular to the incident rays and reflected rays? | normal |
what is the angle between the incdent ray and the normal called? | angle of incidence |
what is the angle between the reflected ray and the normal called? | angle of reflection |
what is the only kind of image that plane mirrors can produce? | virtual image |
what is reflection of light from a rough suface? | diffuse reflection |
what happens to the sound energey that is not reflected? | absorbed |
what is the study of sound? | acoustics |
what is the mulitple reflection of sound waves called? | reverberations |
what do wave fronts represent the position of? | crests |
what kind of waves are refracted when parts of a wave front travel at different speeds? | sound waves |
why do the directions of light rays change? | refraction |
what is the appearance of a distorted image called? | mirage |
what happens to light that is not relfected? | refracted |
what do you see when you turn your back to the sun? | spectrum of colors in a bow |