The hue of the light that an item reflects determines its colour. Thus, colour is not a quality of the thing itself but rather of the light that illuminates it; things are only "colour thieves." The Snell-Descartes law of reflection, on the other hand, stipulates that the angle of incidence equals the angle of reflection for reflected light. According to this law, only viewers at particular locations are able to discern an object's hue. We all understand, however, that this is untrue, as any observer, from any viewpoint, can see the colour of the item. In this study, we then introduce a novel spectroscopic-based technique for characterising an object's colour: White light from the sun is absorbed by the object's atoms, which subsequently radiate at a frequency specific to the object's hue. We shall be able to describe several phenomena relating to object colour that the classical description cannot account for thanks to the quantum colour theory.
Elie W'ishe Sorongane,
Physics Department, University of Kinshasa, Kinshasa, Democratic Republic of the Congo.
Please see the link here: https://stm.bookpi.org/NTPSR-V6/article/view/7216
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