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) Electric iron (p) Electrical energy to light energy
    (B) Washing machine (q) Electrical energy to heat energy
    (C) Solar cell (r) Electrical energy to mechanical energy
    (D) CFL (s) Light energy to electrical energy

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

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

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

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

    Correct Answer: C

    Solution :

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


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