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

Does a photon have a mass?

  1. May 19, 2015 #1
    Does a photon have a mass?
  2. jcsd
  3. May 19, 2015 #2


    User Avatar
    Science Advisor
    Gold Member

    Did you look on the Relativity FAQ list for the answer to this Frequently Asked Question?
  4. May 19, 2015 #3


    User Avatar
    Gold Member

    Huh ?

    A photon has momentum, and energy as well, this doesn't mean it has mass.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Does a photon have a mass?
  1. Do Photons Have Mass? (Replies: 92)

  2. Photons have no mass? (Replies: 86)

  3. Do photons have mass? (Replies: 170)

  4. Does light have mass? (Replies: 59)