Electromagnetic radiation and absorbing materials

[Andrewyeah]

I know already that hot objects radiate infrared radiation, just to be clear. My question is, do all individual wavelengths of electromagnetic radiation heat objects that absorb that wavelength? Even if it heats it just barely, for the smallest fraction of a second.

 

[mathman]

When em radiation is absorbed by something, that something's energy level is raised. Whether or not it is called heating is somewhat a matter of definition.