4.In order to obtain absolute zero, (a) Volume of gas is kept constant and temperature is measured in terms of pressure (b) Pressure of gas is kept constant and temperature is measured in terms of ...

Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. significant figures. Dimensions of physical quantities, dimensional analysis and its applications ...

The field of condensed matter physics explores the macroscopic and microscopic properties of matter. Condensed Matter physicists study how matter arises from a large number of interacting atoms and ...