130_notes.dvi

Auseful integralfor Hydrogen atom calculations is.

∫∞

0

dx xne−ax=

n!

an+1

• 
  

  See Example 16.4.2:What is the expectation value of^1 rin the stateψ 100 ?*

  
  


• 
  

  See Example 16.4.3:What is the expectation value ofrin the stateψ 100 ?*

  
  


• 
  

  See Example 16.4.4:What is the expectation value of the radial component of velocity in the state