JEE Main & Advanced Physics Vectors Question Bank Multiplication of Vectors

  • question_answer
    The diagonals of a parallelogram are \[2\,\hat{i}\] and \[2\hat{j}.\]What is the area of the parallelogram

    A)                 0.5 units

    B)                             1 unit

    C)                 2 units

    D)                             4 units

    Correct Answer: D

    Solution :

                        Area \[=\left| \,2\hat{i}\times 2\hat{j}\, \right|\]\[=\left| 4\hat{k} \right|\]\[=4\,\,unit.\]


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