BHU PMT BHU PMT (Mains) Solved Paper-2011

  • question_answer

    Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

    For an isolated system in the absence of any dissipative effect (1) KE is conserved (2) total energy is conserved (3) PE is conserved (4) mechanical energy is conserved

    A)   1, 2 and 3 are correct

    B)  1 and 2 are correct

    C)   2 and 4 are correct

    D)  1 and 3 are correct

    Correct Answer: C

    Solution :

                     For an isolated system in absence of any dissipative effect, both mechanical energy and total energy are conserved but not the KE and PE.


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