NEET Physics Laws of Thermodynamics MCQ Question
In an isolated system, the total energy remains constant. If the system initially has 500 J of energy and undergoes a reaction releasing 200 J of energy as heat, what will be the energy of the system after the reaction?
500 J
300 J
700 J
200 J
Correct Answer
Detailed Explanation
In an isolated system, no energy is exchanged with the surroundings, so the total energy remains constant. Therefore, the energy of the system after the reaction is still 500 J.
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