This grating has many fine lines on the glass surface. The grating disperses light so you see the component colors as the grating is rotated.
Rotations gives green...
yellow...
red...
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This grating has many fine lines on the glass surface. The grating disperses light so you see the component colors as the grating is rotated.
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|
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Rotations gives green...
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|
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yellow...
|
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red... |
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Let's project the light from the grating onto a screen so we can see the entire visible spectrum.
