Multiple Choice Questions on If and be two non collinear unit vectors such that then the angle between and is........... for 11th Standard Preparation

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Multiple Choice Questions

If and be two non collinear unit vectors such that then the angle between and is...........

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    If \vec{a}and  \vec{b}be two non-collinear unit vectors such that \vec{a}\times (\vec{a}\times \vec{b})=\frac{1}{2} \vec{b} then the angle between \vec{a} and \vec{b}is

    \frac{\pi}{2}

    Incorrect Answer

    \frac{\pi}{2}

    Incorrect Answer

    Information is inconsistent

    Correct Answer

    None of these 

    Incorrect Answer
    Explanation:

    Information is inconsistent

    By: Swaminath Yadav
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