Optics > Interference > Gratings
DCS# 6D20.20

DIFFRACTION GRATINGS

incandescent light and diffraction grating

APPARATUS
25 W line filament showcase bulb 202-21-B
variac with lamp socket 202-21-B
box of diffraction gratings 202-21-E5


DESCRIPTION
Distribute diffraction gratings to students for viewing white light spectrum or line spectra of gas discharge tubes.

The white light spectrum can be projected using a slide projector and narrow slit.