Finally! DOES LIGHT HAVE MASS?

Discussion in 'Physics & Math' started by S. Dalal, Apr 27, 2002.

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Does light have mass??

Poll closed May 7, 2002.
  1. No, Light has a mass =0

    9 vote(s)
    69.2%
  2. Light only has mass relitive to it's-self (velocity)

    1 vote(s)
    7.7%
  3. Yes, light has a mass = <0

    3 vote(s)
    23.1%
  1. S. Dalal Mathamatics is my life Registered Senior Member

    Messages:
    35
    Gro$$ posted a great message asking people if light had any mass, many people on this site including Gro$$ and my-self have been debating wether light does have a mass, some people say that light has mass, some say none at all, some even say that light's mass is relitive to it's-self. I don't really feel like looking through 300 + posts just to figure out if light does or does not have mass, so if you would please leave your input in the pole that would be great, and then finally we can ALL see the truth of the matter, LOL. Thanks


    S. Dalal
     
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  3. Adam §Þ@ç€ MØnk€¥ Registered Senior Member

    Messages:
    7,415
    Tis but a propagation of activity among particles.
     
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  5. Stryder Keeper of "good" ideas. Valued Senior Member

    Messages:
    13,105
    I think this has been changed, as pointed out by AVATAR.
    All votes reply that light has MASS, when some people would vote NO MASS.


    No, Light has a mass =0
    Light only has mass relitive to it's-self (velocity)
    Yes, light has a mass = <0
     
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  7. Merlijn curious cat Registered Senior Member

    Messages:
    1,014
    I voted for "No light has no mass" And I took the upper most option to be that (since it starts with "No").
    It's the wrong kind of particle.
     
  8. James R Just this guy, you know? Staff Member

    Messages:
    39,397
    A photon has zero rest mass.
     

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