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Microcosmology : Atom of light (L) with the objective colour of the grass (Cp) and secondly, the resultant products interact with the sensory (optical) equipment (S). Thus all the three factors - the object, light and the subject (sensory equipment)-play an important role in the formation of perceived colour. If anyone of the three factors gets slightly changed, there would be a corresponding change in the perceived colour. Thus for example,
(1) A sces Grass in white light as Green,
but A sees Rose in white light as Red. (Example of change in 'object).
(2) A sees Grass in white light as Green,
but B sees Grass in white light as Red. (Example of change in the obsever. B is colour-blind)
(3) A sees Rose in white light as Red, but
A sees Rose in yellow light as Orange. (Example of change in light).
RAMAN'S STUDY OF COLOUR
Sir C.V. Raman, the famous Indian scientist and a Nobel Laureate, has made an intensive research on the phenomenon of colour. His findings published in 'Current Science as series of articles entitled 'The New Physiology of Vision' corroborate the Jain view that it is the internal structure of the material object which is responsible for producing colour. He concludes thus:
"It follows that all aspects of vision including the perception of space and form, the perception of luminosity and the perception of colour, can only be understood in terms of the corpscular concept of the nature of light". Again he clearly states - "Colour as seen in daylight is the sensation resulting from the synthesis by the eye of the whole spectrum of radiation falling upon the object and returned to the eye after scattering or diffusion by the material of which it is composed."
Thus we may conclude that according to Raman, the chromatic sensation (i.e. the perceived colour or Cp in our notation)
