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Unformatted text preview: T (K) 1/T (K-1 ) 80 100 120 140 160 180 200 220 106 4. Plot graphs of ln I ph Vs 1/T (K-1 ) for the three filter colours. 5. Calculate the Planck s constant from the slope of the graphs. Calculation: Results: The measured value of Planck s constant h = ______________________ The known value of Planck s constant h = ______________________ % error in the experiment:...
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- Fall '09