REFLECTION GRATING

Demo Number	258
Location	Shelf 45
Description	Step 3m away from the source of light with this grating and you will see a spectrum of light on the wall or on the screen.
Related Demos	269, 270
Tips	Sodium lamp (269 shelf 46) (nearly monochromatic) gives one diffraction pattern. Mercury lamp (270 shelf 46) clearly resolves green and orange emission lines.

Colorado State University