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Why does anything absorb light? - Quora

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In subtractive colour theory, how does the combination of red, blue and yellow create black or grey? What causes the cancellation of distinct colour? - Quora

Is there any light absorbing object? - Quora

What wavelength of light is absorbed the most by objects out of all wavelengths? - Quora

On an absorption spectra of a compound, which peak is the wavelength which will excite the molecule? - Quora