A) Open system \[\Delta m \ne 0,\,\Delta E\ne 0\]
B) Close system \[\Delta m =0,\,\Delta E\ne 0\]
C) Isolated system \[\Delta m \ne 0,\,\Delta E=0\]
D) All of the above
E) Both (a) and (c)
Correct Answer: E
Solution :
Option is incorrect, true statement will be for isolated system, \[\Delta m=0,\,\,\Delta E=0,\] i.e. there will be no exchange of mass and energy. ? Open system can exchange matter as well as energy with its surroundings, its boundary is not sealed and non-isolated thermally, e.g. all living systems. ? Close system can exchange energy with the surroundings but not matter, e.g. hot water in sealed-tube.
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