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Physics 104 Set Up Instructions:
The Hydrogen Spectrum & Energy Levels
Lab Directions
BlackBoard Notes

Basic Idea:

Number of setups:

Equipment Needed (each setup):

  What: How Many: Where:
New gas tube power supply (with green base) and Hydrogen tube 1 non-Majors storeroom, shelf PP2
Spectrometer (not the same ones used for 152!!) 2 non-Majors storeroom, shelf QQ2 - QQ4
Wood spectrometer platforms
(elevate spectrometers)
1 non-Majors storeroom, shelf QQ6
Flashlight 1 or 2 ask Jeff
Two setups of the following are placed on other benches
See location in picture below
Pasco Sodium source
(see picture below)
1 non-Majors storeroom, shelf DD3
Light Aperture
(see picture below)
1 non-Majors storeroom, shelf DD3
Light Block 1 non-Majors storeroom, shelf DD3
Wood spectrometer platform
(elevate spectrometers)
1 non-Majors storeroom, shelf QQ6
Ask Jeff if this is needed!
The following demo bulbs are placed on the bench along the right wall
See location in setup map below
New gas tube power supply (with green base) and Argon tube 1 non-Majors storeroom, shelf PP2
Old-style gas tube power supply Photo 2 non-Majors storeroom, shelf PP4
Assorted gas tubes: He & Ne 1 each non-Majors storeroom, shelf PP3
100-W incandescent bulb with aperture (for continuous spectrum) 1 non-Majors storeroom, shelf PP2
Reveal© bulb with aperture (for absorption line spectrum) 1 non-Majors storeroom, shelf PP2
Black cloth (backdrop behind bulbs) 2 Ask Jeff
2×2 diffraction gratings (slides) The whole box non-Majors storeroom, shelf KK4

Notes:

 

8 Spectrometers 7 Spectrometers 6 Spectrometers
8 Spectrometers 7 Spectrometers 6 Spectrometers

 

 


 

 

Sodium Light Source
Sodium Source

(L-R) Light Block; Light Aperture (with grating mounting rods removed); Light Aperture Assembly
Images courtesy PASCO Scientific.

 

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    © St. Lawrence University Department of Physics
    Revised: 21 May 24 Canton, NY 13617