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Colour: An Innate Property of the Matter
actually observed with some of the stars. Here one thing is to be noted that the colour of a body may change accordingly. It depends upon the temperature of the body.
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Colours of Quarks and Gluon
According to the modern science, quark and gluon are supposed to be the ultimate particle of the matter. Quarks are the charged particles while gluons are chargeless particles. It was beleived that 'a baryon is made of three quarks which are having equal energies and same direction of motion. But, in principle, particles of equal energies and other similar properties cannot live altogether. To avoid this problem, it was postulated that the quarks and gluons possess any one of the three colours which are red, yellow and blue. In this way, a baryon is made of three quarks of same energies which are moving in the same direction, but they differ in their respective colours. It is experimentally proved that a quark or a gluon possesses one out of three colours, i.e., red, yellow and blue.
Similar to the quarks, there exist anti-quarks which possess anti-colours. When one quark of some particular colour combines with an anti-quark of anticolour, it form a colourless meson.
To explain the colours of fundamental particles in detail, a new dynamics has been developed which is known as 'Quantum Cromodynamics'.
Discussions
In short, we can state the Jaina view about colours like this, that(1) the colour is an innate property of the pudgala (matter), and (2) these colours are five in number. Now we shall discuss both these points on the basis of modern science.
It is well known that there are a number of material objects which do not have any colour. For example, good quality of plain glass (solid), distilled water (liquid) and air (gas) do not possess any colour. Then how can we justify that the colour is an innate quality of matter?
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To explain the existence of colours in such type of things, we have to go into detail about the properties of its fundamental particles. Quarks are supposed to be the smallest possible building block of all the material objects. We cannot see it, but according to the modern science, this quark too possesses some colour. When we cannot see the quark, how can we see its colour? Then, what do we mean by saying that 'a quark is red'? What we mean here, is a red quark will
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