Asked by Afiz

I need to know why light has no mass
Answered by Misty
The first point to make is that while photons (little packets of light energy) do not have mass, they do have momentum, and a change in momentum yields a force, so in actual fact light is able to physically interact with matter.Dec 26, 2013
Answered by Reed
hittp://www.indexmundi.com/map/?v=39&r=sa&l=en
Answered by Reed
Oops:

http://www.indexmundi.com/map/?v=39&r=sa&l=en
Answered by Reed
No, that's not right! That's from another question. Here's what I meant for you:

http://www.google.com/search?sourceid=navclient&ie=UTF-8&rlz=1T4VRHB_enUS648US649&q=characteristics+of+light
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