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JEE Main & Advanced Physics Vectors Question Bank Multiplication of Vectors

  • question_answer
    What is the angle between \[(\overrightarrow{P}+\overrightarrow{Q})\] and \[(\overrightarrow{P}\times \overrightarrow{Q})\]

    A)                 0             

    B)                 \[\frac{\pi }{2}\]

    C)                 \[\frac{\pi }{4}\]              

    D)                 \[\pi \]

    Correct Answer: B

    Solution :

                        Vector\[(\vec{P}+\vec{Q})\] lies in a plane and vector \[(\vec{P}\times \vec{Q})\] is perpendicular to this plane i.e. the angle between given vectors is \[\frac{\pi }{2}\].


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