To Study of variation of specific heat capacity of graphite with temperature.
Working Principle
The experiment is based on the principle that the specific heat capacity of a solid varies with temperature due to changes in atomic and lattice vibrations. A graphite sample is heated electrically by supplying a known amount of power for a measured time interval. The temperature rise of the graphite sample is recorded using a suitable temperature sensor. The heat supplied to the sample is calculated from the electrical energy input. Using the relation between heat supplied, mass of the sample, and temperature rise, the specific heat capacity of graphite is determined at different temperatures. This process is repeated over a range of temperatures. The variation of specific heat capacity with temperature is then analyzed. A graph of specific heat capacity versus temperature is plotted to study the behavior of graphite.
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