Thermal Physics Top Compulsory Exam Questions And Correct Answers
Open system Both energy and matter can be exchanged with the environment e.g an open coffee cup Closed system Energy but not matter can be exchanged with the environment e.g a tightly capped cup of coffee Isolated system Neither energy nor matter can be exchanged with the environment- no interactions with the environment are possible at all e.g coffee in a closed well insulated thermos bottle Thermal contact Between two bodies means that energy may freely flow between two bodies Heat Is the transfer of energy between systems without work being done
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