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Wavelength-of-Helium-Neon-Laser-Light

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					Wavelength of Laser Light
Purpose: Find the wavelength of your laser.

Materials: Laser, diffraction gratings, screen to project upon, ruler

Method: Explain your method. Include a drawing of the setup. Use at least 3 diffration
    gratings.

Data: Include your data table. Pay attention to sig figs.

Analysis:

Explain how you calculated wavelength (λ)
How did this compare with the accepted value on the packaging for the laser?
What were sources of error in this experiment?


Conclusion: What was the wavelength of your laser?

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Wavelength of Laser Light                    Grading Rubric

Name: _____________________ Partners: ______________________Date: ________

                     Title, name, partners, headings, stapled,
 Format                                                                          5
                     understandable
 Purpose             Past tense, succinct                                        5
                     Past tense. Includes equipment. Figure.
 Method                                                                          10

                     Title, units sig figs
 Data                Complete                                                    15
                     Qualitative comments

                     Explanation of calculations
                     Discussion of relevant equations and theory.
                                                                                 30
 Analysis            Percent error explained and calculated.
                     Sources of error
                     Focused paragraphs

 Conclusion          Brief. Gives λ. Connects with purpose                       5

 TOTAL                                                                           70

				
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