Optics > Interference > Gratings
DCS# 6D20.20
DIFFRACTION GRATINGS
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.