Lab Partners: Austin, Parry
Purpose:
The purpose of this lab is to determine the wavelength of the emission spectrum from varies of unknown gas through diffraction grating.
Figure: Unknown Gas.
Figure: Distance of diffraction grating for gas.
Figure: Diffraction grating for gas.
Figure: Geometry of the diffraction grating.
Figure: Calculations for the wavelength of gas.
Figure: Wavelength of unknown gas
Conclusion
We have determined the identity of the unknown gas through analyzing its characterizing emission spectrum. And we found that unknown gas is helium. The wavelength calculated for helium is within 6 percent error for raw result and under the uncertainty range.
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