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Projected Spectra with Grating
# 6D20.20

Description: Place paper slit on overhead projector. Then cover the lens with the Project Star diffraction grating.

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Source: Learning Technologies, Inc.

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 23-13 Shine a white light beam through gratings of 3000, 4000, and 6000 lines/cm.

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