Physics307L:People/Mondragon/Notebook/071010
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Plank's Constant
Plank's constant experiment
Equipment and setup
battery outputs +8.70 -8.69
dry run, no filters
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
part a experimenting with the variable filter
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.