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.