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4.2

TermDefinition
radio wave a low-frequency, low-energy electromagnetic wave that has a wavelength longer than about 30 cm
infrared wave an electromagnetic wave with a wavelength shorter than a microwave but longer than light
ultraviolet wave an electromagnetic wave with a slightly shorter wavelength and higher frequency than light
transparent a material that allows almost all of the light striking it to pass through, and through which objects can be seen clearly
translucent a material that allows most of the light that strikes it to pass through, but through which objects appear blurry
opaque a material through which light does not pass
intensity is the amount of energy that passes through a square meter of space in one second
Created by: grupeabi2506