Spectroscopy in Large Lecture Halls
Materials
Incandescent Light Bulb
Power Supply for the Spectrum Tubes
Neon Gas Tube
Mercury Gas Tube
Other Tubes on request (Hydrogen, Nitrogen, Oxygen, Carbon Dioxide, Krypton)
Diffraction Gratings (~ 1" square) (3-4 bags of 100)
Gloves and Goggles
Procedure
1" x 1" diffraction gratings are passed out to the class, room lights are dimmed, and the class views light from an incandescent light and discharge tubes.