1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    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!

Scrodinger equation: infinite square well problem.

  1. Oct 22, 2007 #1
    1. The problem statement, all variables and given/known data

    In the early days of nuclear physics before the neutron was discovered , it was thought that the nucleus contained only electrons and protons. If we consider the nucleus to be a one-dimensional infinite well with L=1e-15 m and ignore relativity, compute the ground state energy for a) the electron and b) the proton in the nucleus. c) compute the energy difference between the ground state and the first excited state. for each particle

    2. Relevant equations

    E(n)=n^2 *(h/(2*pi))^2/(2*m*L^2)

    3. The attempt at a solution

    part a and b wasn't very difficult. a)E=n^2 *(h/(2*pi))^2/(2*m*L^2)=pi^2*(1.054e-34 J*s)^2/((2)*(9.11e-31 kg)(1e-15)^2=6e-8 joules and b) E=n^2 *(h/(2*pi))^2/(2*m*L^2)=pi^2*(1.054e-34 J*s)^2/((2)*(1.67e-27 kg)(1e-15)^2 =3.28e-11 joules. I had trouble with part c. should I assume the first excited state is n=2?
  2. jcsd
  3. Oct 22, 2007 #2
    someone please respond to my problem. Anybody. Does my problem appear unreadable?
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Threads - Scrodinger equation infinite Date
Proving a wave satisfies the Helmholtz equation Yesterday at 12:29 AM
Question on correctly interpreting a bra-ket equation Saturday at 6:17 PM
Solving For an Equation Wednesday at 8:12 PM
Deriving Thick lens Equation Mar 10, 2018
Find the equivalent model of an infinite ladder circuit Mar 6, 2018