1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Nuclear Physics homework

  1. Apr 4, 2005 #1
    OK ... i figured out the momentum, however i need help with find the mass. anyone know how?

    What is the momentum of a 0.33 nm X-ray photon?
    2.009E-24 kg · m/s
    What is its effective mass?
    _________ kg

    thanks :biggrin: :biggrin:
  2. jcsd
  3. Apr 4, 2005 #2


    User Avatar
    Science Advisor
    Homework Helper

    [itex] h\frac{c}{\lambda}=mc^{2} [/itex] is all u need to know...

  4. Apr 5, 2005 #3
    Dude... Thanks
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook