Study Science: Chap. 12 Vocab Flash Cards

 
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Science: Chap. 12 Vocab

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an effect in which white light seperates into its component colors
dispersion
a transparent block with a triangular cross section
prism
a change in the size of an image compared with the size of the object
magnification
a transparent object that reflects light rays, causing them to converge or diverge to create an image
lens
the complete reflection of light at the boundary between two transparent mediums when the angle of incidence exceeds the critical angle
total infernal reflection
an image of an object formed by many light rays coming together in a specific location
real image
an image that forms at a point from which light rays appear to come but do not actually come
virtual image
a model of light that represents light traveling through space in an imaginary straight line
light ray
a system that uses relfected radio waves to determine the distance to, and location of, objects
radar
the rate at which light or any other form of energy flows through a given area of space
intensity
a particle of light
photon
a system that uses reflected sound waves to determine the distance to, and location of, objects
sonar
an effect in which the vibration of one object causes the vibration of another object at a natural frequency
resonance
any sound consisting of waves with frequencies higher than 20,000 Hz
ultrasound
any sound consisting of waves with frequencies higher than 20,000 Hz
infrasound
the perceived highness or lowness of a sound, depending on the frequency of sound waves
pitch
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