Applet-->photo+effect

PHOTO EFFECT This Applet called Photo Effect shows that in sodium, and cesium, that has affected by light.

In sodium, the 'mA' goes up only when light wavelength becomes purple. Also, if there is no light intensity, or voltage,even though light wavelength is purple, mA doesn't go up.

In cesium, the mA goes up when green light wave length shows up.



If you want to try it, --> http://www.lon-capa.org/~mmp/kap28/PhotoEffect/photo.htm