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-   -   Thermal equlibrium (https://www.askmehelpdesk.com/showthread.php?t=509212)

  • Sep 20, 2010, 09:51 AM
    kesavan
    Thermal equlibrium
    Is it possible for two objects to be in thermal equlibrium if they are not in contact with each other?
  • Sep 20, 2010, 10:08 AM
    Unknown008

    According to this wikipedia article, they must be in contact.

    http://en.wikipedia.org/wiki/Thermod...al_equilibrium

    So, it implies that it is not possible to have two bodies in thermal equilibrium unless they are in contact.

    EDIT: Forgot the link, sorry :o
  • Sep 20, 2010, 10:30 AM
    ebaines

    I disagree - two bodies can exchange heat without being in physical contact wiith each other, through radiation and/or convection.

    EDIT: to be clear, to be in thermal equilibrium two objects must be in thermal contact, meaning they can exchange energy via heat. But this does not mean that they must be in direct physical contact.

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