1. Not finding help here? Sign up for a free 30min 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!

What does "minimum range of uncertainty" mean in QM?

  1. Oct 1, 2015 #1
    1. The problem statement, all variables and given/known data

    The problem on where the photon will hit a screen, after passing through a single horizontal slit.

    I know the wavelength, slit width, magnitude of momentum of incoming photon (calculated), and distance between screen and slit.


    2. Relevant equations

    I just don't understand what the question is asking. What does minimum range of uncertainty mean?
     
  2. jcsd
  3. Oct 2, 2015 #2

    vela

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper
    Education Advisor

    If you send a bunch of photons through the slit, you'll get a spot on the screen. The problem is essentially asking you to find the size of that spot. There's a limit to how small the spot will be because of the uncertainty in the component of the photon's momentum parallel to the slit.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: What does "minimum range of uncertainty" mean in QM?
  1. What does this mean? (Replies: 2)

  2. What does it mean? (Replies: 2)

Loading...