Physics307L F09:People/Mondragon/Notebook/071010

second week =Plank's Constant=

Equipment and setup
battery outputs +8.70 -8.69

First Group:

 * First blue 2.075V
 * Second blue 1.721V
 * Third blue 1.505V
 * Green/yellow 1.025V
 * Orange/yellow 1.062

Second Group:

 * First blue 2.065V
 * Second blue 1.732V
 * Third blue 1.570V
 * Green/yellow 1.754V
 * Orange/yellow 1.587V

First Group
1Blue-
 * 100%-2.085V-3.5s
 * 80%-2.0785-2.5s
 * 60-2.0785-4.5s
 * 40-2.0785-3.5s
 * 20-2.0785-3.5s

suggestion for Improvement
timing is difficult, What about an o-scope? Lorenzo suggested using an oscope for more accurate timing. There are just too many ways for timing by stopwatch can go wrong.