Sheet1

PHYSLab-99

source to detector: 2.50 meters
	grating to	distance from	grating	wavelength
	detector (m)	n=0 to n=1(m)	spacing (m)	angstroms
He-Ne Laser	1.495	0.023	3.30E-05	5077
He-Ne Laser	1.495	0.032	3.30E-05	7064
He-NeLaser	1.495	0.055	3.30E-05	6070
He-Ne Laser	0.607	0.012	3.30E-05	6524
He-Ne Laser	0.815	0.015	3.30E-05	6074
He-Ne Laser	0.815	0.017	3.30E-05	6883
He-Ne Laser	0.815	0.016	3.30E-05	6479
He-Ne Laser	0.800	0.015	3.30E-05	6188
He-Ne Laser	0.800	0.016	3.30E-05	6600
		average wavelength=	6329	angstroms
		known wavelength=	6328	angstroms
		percent error=	0.016
Pen Laser	0.795	0.015	3.30E-05	6226
Pen Laser	0.795	0.016	3.30E-05	6642
Pen Laser	0.795	0.017	3.30E-05	7057
Pen Laser	0.795	0.016	3.30E-05	6642
Pen Laser	0.795	0.016	3.30E-05	6642
Pen Laser	0.795	0.016	3.30E-05	6642
Pen Laser	0.625	0.014	3.30E-05	7392
Pen Laser	0.625	0.013	3.30E-05	6864
Pen Laser	0.625	0.012	3.30E-05	6336
Pen Laser	0.625	0.012	3.30E-05	6336
Pen Laser	0.625	0.014	3.30E-05	7392
Pen Laser	0.625	0.014	3.30E-05	7392
		average wavelength=	6797	angstroms

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