Homework Help: physics

Posted by charlie on Thursday, March 31, 2011 at 4:43pm.

1.when white light is shone on red ink dried on a glass plate, the color that is transmitted is red. But the color that is reflected is not red. what is it?
2.a spotlight is coated so that it won't transmit blue from its white hot filament. what color is the emerging beam of light?
3.

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