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B Confusion about radiation

  1. Jul 16, 2016 #1
    Can radiation be defined as mass transfer or hear transfer?
    Like alpha rays and cathode rays involve particles so they could be called as mass transfer and at the same time the transfer energy which is heat energy.
  2. jcsd
  3. Jul 16, 2016 #2


    Staff: Mentor

    Light is also radiation, but it is massless.

    By the way, your description of those other rays transferring heart energy is flawed.
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