7B10.20 Project Spectral Lines
Project high intensity Na and Hg lamps through 1000 lines/mm gratings.
Lamp setup: lamp, slit close to lamp, lens focused on screen, diffraction grating close to lens.
Sodium line, central bright on right.
Mercury lines, central bright on right.
Location: Lamps and slit: P1-2, Lens: P2-3