Go to: Course homepage, Lectures

 

Lecture: 41 (iq38 )

 

1.    Interference pattern of waves with the same wavelength and the same intensity

o   Flat screen in small angle approximation

o   Circular screen

o   Interferometry

2.    Photo electric effect

o   Experiment; I vs V at different intensities; Stopping voltage

o   Kmax vs f and Einstein’s model

o   Revisit I vs V plot

o   Compare wave model and particle model

3.    Compton effect

o   Set up and the data

4.    Matter waves (electrons, neutrons), please read on your own.

 

Announcement:

 

o   Ref. for today’s lecture: Serway and Jewett, 6th edition, Ch40 Intro. to Quantum Physics.

o   EXTRA assignments (not counted toward grades) of Unit4-ex1, Unit4-ex2 and Lenses extras1 are in your account are for your reference. My notes on thin lens approximation are also available through a link on our homepage (see Class Central Documents).

o   There are learning assistant (LA) positions available for 303K/L in the Fall of 2012. If you are interested in applying for the position, please contact Lisa Gentry, in the Undergraduate Affairs’ office on the 5th level of RLM.