mcsaggers76661 mcsaggers76661

31-01-2018
Physics

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When white light goes into a blue filter, blue light comes out. how did the blue get into the light?

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satishsolanki1p34q6g satishsolanki1p34q6g

31-01-2018

In spectrum, there is no white colour light. When all colour light (including blue) come together, it appear as white. Now, when light fall on blue filter, then filter material absorbs all colours except blue. So finally blue colour left.

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