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Physics 15 Online
OpenStudy (anonymous):

WHICH WAVES HAVE WAVELENGTHS LONGER THAN THOSE OF VISIBLE LIGHT AND HOW ARE THOSE WAVES USED?

OpenStudy (ipwnbunnies):

Some light at wavelengths longer than visible light are infrared, radio, and microwaves.

OpenStudy (ipwnbunnies):

Microwaves are used to heat up food. Radio waves mainly used for broadcasting. Infrared has a wide variety of applications.

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