7th Class Science Related to Competitive Exam Question Bank Work and energy

  • question_answer
    DIRECTION: Match column-I with Column-II and select the correct answer using the code given below the columns.
    Column-I Column-II
    (A) Work (p) \[\frac{1}{2}m{{v}^{2}}\]
    (B) Energy (q) vibrations
    (C) Kinetic energy (r) can be positive, negative or zero
    (D) Sound energy (s) ability to do work

    A) A\[\to \] (q), B\[\to \] (s), C\[\to \] (p), D\[\to \] (r)

    B) A\[\to \] (s), B\[\to \] (r), C\[\to \] (q), D\[\to \] (p)

    C) A\[\to \] (r), B\[\to \] (s), C\[\to \] (p), D\[\to \] (q)

    D) A\[\to \] (r), B\[\to \] (s), C\[\to \] (q), D\[\to \] (p)

    Correct Answer: C

    Solution :

        A\[\to \] (r), B\[\to \] (s), C\[\to \] (p), D\[\to \] (q)


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