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UPSC Physics Heat Question Bank Sound, Oscillations, Heat and Thermodynamics

  • question_answer
          If the length of second's pendulum is increased by 2%, how many seconds will it lose per day?                          [NDA]

    A) 3600 s              

    B)      3456 s

    C) 1728 s              

    D)      846 s

    Correct Answer: D

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