User:Thomas S. Mahony/Notebook/Physics 307L/2009/10/12: Difference between revisions
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==Setup== | ==Setup== | ||
We followed the instructions in [http://www-hep.phys.unm.edu/~gold/phys307L/manual.pdf Professor Gold's Manual]. | We followed the instructions in [http://www-hep.phys.unm.edu/~gold/phys307L/manual.pdf Professor Gold's Manual]. Setup is fairly straight forward for this experiment, we plugged in the mercury light source and let it heat up for around 20 minutes before taking measurements, in order to insure that the lamp was at maximum continuous luminosity. | ||
==Data== | ==Data== | ||
Revision as of 10:55, 25 October 2009
 Planck's Constant
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Lab SummaryEquipment
SetupWe followed the instructions in Professor Gold's Manual. Setup is fairly straight forward for this experiment, we plugged in the mercury light source and let it heat up for around 20 minutes before taking measurements, in order to insure that the lamp was at maximum continuous luminosity. DataExperiment 1{{#widget:Google Spreadsheet |
key=0AkKX7q2M_dXGdFM1QWoxeGtpZ1hFeEhZdkk2Q2w5aFE | width=1020 | height=500
}} Experiment 2{{#widget:Google Spreadsheet |
key=0AkKX7q2M_dXGdFo3bzhhNUFOMERaeHpRdzU0QW8zMlE | width=1020 | height=500
}} Note: The second order green line took a while to charge. Also in between measuring the first and second order lines, we readjusted the focus. AnalysisSince the second order green line took a while to reach its stopping voltage, and that value was a much higher voltage than the first order voltage, we think some very faint higher frequency light may have also been hitting the detector. | |
