Abstract
The application of the high pressure equation of state recently proposed by Kumar is discussed for different classes of solids such as ionic, metallic, covalent and rare gases. The variation of the unit cell volume under the effect of pressure which presents a good agreement with the experimental data is reported. It is concluded that the Kumar equation of state is superior to those used by earlier workers viz. Murnaghan, Birch and also to the Universal equation of state. A simple and straightforward method for the determination of bulk modulus as a function of pressure is also pointed out. A good agreement between theory and experiment demonstrates the validity of the present work.
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