PROPERTIES
OF MATTER
INTRODUCTION
The stability and utility of Kallanai
dam reveal the intuitive scientific understanding of Tamils who designed this
dam as early as 2nd century AD. The other example known for insightful
constructions of the past is the pyramids in Egypt. The flyovers and over
bridges are common worldwide today. Heavy vehicles ply over and hence, the
bridges are always under stress. Without effective design using suitable
materials, the bridges and flyovers will not be stable. The growth of human civilization is due to the understanding of various forms of matter (solid, liquid, and gas).
The
study of properties of matter is very essential in selecting any material for a
specific application. For example, in technology, the materials used for space
applications should be of lightweight but should be strong. Materials used for
artificial human organ replacements should be biocompatible. Artificial body
fluids are used as tissue substitute for radiotherapy analysis in medicine.
Fluids used as lubricants or fuel should possess certain properties. Such
salient macroscopic properties are decided by the microscopic phenomena within
matter. This unit deals with the properties of solids and fluids and the laws
governing the behaviour of matter.
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