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NEET NEET SOLVED PAPER 2016 Phase-I

  • question_answer
    If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is :-                                                                                                                        

    A)  \[{{0}^{o}}\]                                     

    B)  \[{{90}^{o}}\]

    C)  \[{{45}^{o}}\]                                   

    D)  \[{{180}^{o}}\]

    Correct Answer: B

    Solution :

                     \[\left| \vec{A}+\vec{B} \right|=\left| A-\vec{B} \right|=\theta ={{90}^{o}}.\]


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