2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    In which one of the following cases the potential energy of a spring is minimum?

    A) When it is compressed

    B) When it is stretched

    C) When it is at usual length

    D) When it is kept at a certain height

    E) None of these

    Correct Answer: C

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