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) Potential energy (p) mgh
    (B) Work (q) can never be created or destroyed
    (C) 1 joule (r) \[\text{f }\!\!\times\!\!\text{ d}\]
    (D) Energy (s) \[\text{1}{{\text{0}}^{\text{7}}}\]erg

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

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

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

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

    Correct Answer: D

    Solution :

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


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