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2014-08-06T20:23:37+05:30
Thermodynamics is a branch of physics concerned with heat and temperature and their relation to energy and work. It defines macroscopic variables, such as internal energy, entropy, and pressure, that partly describe a body of matter or radiation. 
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2014-08-06T20:26:23+05:30
Thermodynamics is a branch of physics (science) concerned eith heat and temperature and their relation to energy to work

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