Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Electromagnetic radiation and absorbing materials

  1. Dec 28, 2009 #1
    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.
  2. jcsd
  3. Dec 28, 2009 #2


    User Avatar
    Science Advisor

    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.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook