Amorphous solids The particles of a liquid are in constant motion. The stop oction photograph of a liquid describes the amorphous state. In fact, they are supercooled liquids Amorphous solids have the following characteristics
i. The constituent particles in amorphous solids are randomly arranged. The particles do not have long range ordered structure, but they do have a short range order.
ii. Amorphous solids do not have sharp melting points. They melt gradually over temperature interval. On a heating, amorphous solids gradually and continuously soften and start to flow.
iii. These solids are isotropic. In other words, their properties such as refractive index, conductivity are all independent of direction of measurement. They exhibit the same magnitude for any property in every direction.
Example: Glass, plastic, rubber, tar
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