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What produces a color spectrum when white light reflects off the surface of a CD?1) transmission grating2) replica grating3) reflection grating4) dispersion
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What produces a color spectrum when white light reflects off the surface of a CD?1) transmission grating2) replica grating3) reflection grating4) dispersion

User AmitSri
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The color spectrum which is produced on the surface of CD is due to reflection grating which means option (3) is correct. When the light strikes on the surface of CD then it reflect on the surface of CD which results in the color spectrum.

User Metanerd
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