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lesson 4.2

radio wave a low frequency, low energy electromagnetic wave that has a wavelength longer than about 30 cm
infrared wave a electromagnetic wave with a wavelength shorter than a microwave but longer than light
ultraviolet wave an electromagnetic wave with a wavelength 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 see clearly
translucent a material that allows most of the light that strikes it pass through, but through which objects appear blurry
opaque a material through which light does not pass
intensity the amount of energy that passes through a square meter of space in one second
Created by: spiveshy5637