Physics307L F08:People/Lancaster/Notebook/071008

--Michael T. Lancaster 16:45, 8 October 2007 (CDT)

Planck's constant

Part A

Blue-

Initial voltage- 9.490

Time for voltage to accumulate:

Blue

100% transmission - 1.09 s 1.78s

80%- 1.66 s 2.34s

60% - 2.65 s 2.30s

40% - 3.94 s 2.56s

20% - 4.72 5.81s

Green

100% transmission - 3.22 s 3.19s

80% - 3.34s 4.11s

60% - 5.96s 8.72s

40% - 9.50s 12.28s

20% - 16.72s 18.4s

Part B

Yellow (w/ filter) - .723V .722V

Green (w/ green filter) - .856V .853V

Blue/Green - 1.501V 1.501V

Blue - 1.716V 1.713V

Blue/violet - 2.063V 2.064V

Experiment 2

We are both taking two sets of data for each order

First Order	Volts				Average Volts
Yellow(w/yellow filter)	.716	.723	.721	.722	.720
Green(w/green filter)	.856	.854 V	.853 V	.854 V	.854
Blue/(green side)	1.502	1.501 V	1.516 V	1.515 V	1.507
Blue	1.71	1.718	1.712 V	1.716 V	1.714
Blue/(violet side)	2.07	2.069 V	2.071 V	2.071 V	2.07
Second Order	Volts				Average Volts
Yellow(w/yellow filter)	.773	.764	.768	.770	.770
Green(w/green filter)	1.255	1.268	1.260	1.263	1.261
Blue/(green side)	1.557	1.559	1.557	1.558	1.558
Blue	1.734	1.728	1.730	1.731	1.731
Blue/(violet side)	2.066	2.061	2.064	2.064