Physics307L F07:People/Rivera/Notebook/071022
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Experiment 1
Plank's Constant Part A
Yellow Emission Line
Stopping Voltage 0.724V
| Trans % | Time 1 | Time 2 |
| 100% | 8.3s | 9.2s |
| 80% | 11.5s | 11.4s |
| 60% | 16.5s | 16.9s |
| 40% | 18.0s | 19.2s |
| 20% | 43.4s | 40.6s |
Green Emission Line
Stopping Voltage 0.849V
| Trans % | Time 1 | Time 2 |
| 100% | 6.9s | 7.5s |
| 80% | 8.7s | 8.7s |
| 60% | 12.0s | 11.2s |
| 40% | 19.9s | 19.0s |
| 20% | 31.6s | 30.2s |
Plank's Constant Part B
Blue
Stopping Voltage 1.502V
Violet 1
Stopping Voltage 1.732
Violet 2
Stopping Voltage 2.079
Experiment 2
First Order
Yellow
Stopping Voltage
= 0.720V
= 0.724V
Green
Stopping Voltage
= 0.870V
= 0.859V
Blue
Stopping Voltage
= 1.510V
= 1.524V
Violet 1
Stopping Voltage
= 1.720V
= 1.723V
Violet 2
Stopping Voltage
= 2.078V
= 2.090V
Second Order
Yellow
Stopping Voltage
= 0.778V
= 0.786V
Green
Stopping Voltage
= 1.255V
= 1.270V
Blue
Stopping Voltage
= 1.574V
= 1.583V
Violet 1
Stopping Voltage
= 1.735V
= 1.752V
Violet 2
Stopping Voltage
= 2.064V
= 2.086V
