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JEE Main & Advanced Physics Vectors Question Bank Multiplication of Vectors

  • question_answer
    The angle between the two vectors \[\overrightarrow{A}=5\hat{i}+5\hat{j}\] and \[\overrightarrow{B}=5\hat{i}-5\hat{j}\]will be                                                [CPMT 2000]

    A)                 Zero      

    B)                 \[45{}^\circ \]

    C)                 \[90{}^\circ \]   

    D)                 \[180{}^\circ \]

    Correct Answer: C

    Solution :

                        \[\vec{A}.\vec{B}=0\]\ \[\theta =90{}^\circ \]


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