Physics307L F07:People/Ritter/Notebook/071029

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Determining Planck's Constant

Part B: Experiment 1

Determine the voltages for each of the color in the spectra (Yellow and Green have already been done)

Violet 1 - 1.502V Violet 2 - 1.732V Violet 3 - 2.078V

Experiment 2

Color (1st order) Potential 1 (Volts) Potential 2 (Volts)
Yellow .724 .720
Green .859 .869
Blue 1.502 1.510
Violet 1 1.732 1.720
Violet 2 2.078 2.078

Second order measurements

Color 2nd Order Potential 1 (Volts) Potential 2 (Volts)
Yellow .778 .786
Green 1.255 1.270
Blue 1.574 1.583
Violet 1 1.735 1.752
Violet 2 2.064 2.086
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