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study stack for ch29

hannah frederick's study stack for ch. 29 test

QuestionAnswer
What is a wave called when it does not travel through a mirror, but is returned by the mirrior's surface? reflected wave
Materials such as _______ and ______ are not as rigid to light waves. glass and water
A light wave that strikes a boundary is called an _________ wave, its path is drawn as a straight line arrow and is called an ______ ray. incident and incident
A light wave that bounces off a boundary is called a _______ wave and is drawn as a ______ ray. reflected and reflected
The angle formed btween the incident ray and the normal is called the angle of _______. incidence.
The angle formed between the reflected ray and the normal is caled the angle of ________. reflection.
The relationship between these two angles is stated in the ___ __ __________. The angle of incidence ________ the angle of reflection. law of relection and equals.
The law of relection holds for ________ mirrors. However, the _______ and __________ of object and image are no longer equal. curved, sizes, and distance.
______ images are formed by converging light rays and can be displayed on a screen. real
If the difference in elevations in a surface are small (less than _____________ the ___________ of the light that falls on it), the surface is considered _________. one-eight, wavelenght, and polished.
The study of the reflective properties of surfaces is __________. acoustics
__________ is the bending of a wave as it crosses the boundary between two media at an _______. refraction, angle.
________ refraction occurs in uneven _______ or when sound is traveling through air of uneven ___________. sound, winds, temperature.
when the layer of air near the ground is _________ than the air above, the speed of sound near the ground is __________. colder, reduced.
If a candle flame is placed in front of a plane (_______) mirror, rays of light from the candle are reflected from the mirror in ___ directions. flat, all.
Created by: imgirl13
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