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: Stimulated emission/Ne-He-laser

  1. Oct 21, 2012 #1
    1. The problem statement, all variables and given/known data
    Here's simplified energy level diagram of Ne-He-laser. Calculate the corresponding wavelengths of
    a, b, and c.

    2. Relevant equations

    3. The attempt at a solution
    λ=ch/ΔE gives wrong answer.

    Attached Files:

  2. jcsd
  3. Oct 21, 2012 #2
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook