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Properties of Matter
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Compressibility : It is the property of Matter by virtue of which it can be compressed so as to occupy a smaller volume by the application of external pressure because of there being pores contained by all bodies, e. g. cotton, hair and air.
Density? and Elasticity : Density is the mass per unit volume of body, so it is a universal property of all forms of Mattermolecules or ultimate atoms, for all material bodies must have some mass. Elasticity which is possessed by all matters more or less in all the three states of them--solid, liquid and gas is. the property of offering resistances3 to change in size or shape.
SECOND SECTION MOTION (GATI) OF MATTER (PUDGALA)
OSCILLATION OR VIBRATION According to Jaina Philosophy, there are stated to be twokinds of bhāva (state) of substance, viz. parispandātmaka and aparispandātmaka (vibrating and non-vibrating or mobile and immobile ).4 Dharma (Principle of Motion), Adharma (Principle of Rest) and Ākāśa (Space) is immobile. There is no capacity in them for making movement at all.5 Soul (Jiva) is immobile by nature but the capacity for movement is intrinsic in it and an element (pradeśa) of Soul moves by the contact of karmic matter due to the activities of the material mind, speech and body. 6 Matter (Pudgala) possesses the nature of both 1. BhS., 6. 7. 247 (hair); 1.6.54 ( air ). 2. Bhs., 1. 6. 53 (alpabahutva); see Pannavanā
(alpatvabahutva). 3. Bhs., 1. 6. 54; Sthā., 211. 6. 4. Dravyasya hi bhāvo dvividhah-parispandātmakaḥ aparis
pandātmakaśca, TRV., V. 22.21. 5. Niskriyāṇi ca tānīti parispanda-vimuktitaḥ, T Śl. V. 7.2. 6. Yogātmapradeśaparispandaḥ, TRV., II. 25. 4.
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