If the component of the vector $\vec{A}$ along the vector $\vec{B}$ is twice the component of $\vec{B}$ along $\vec{A}$, then the ratio of magnitudes of vectors $\vec{A}$ and $\vec{B}$ is

  • A
    $1: 2$
  • B
    $3: 2$
  • C
    $2: 1$
  • D
    $3: 1$

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Similar Questions

If $|\vec{A}| = 2$ and $|\vec{B}| = 4$,then match the relation in Column-$I$ with the angle $\theta$ between $\vec{A}$ and $\vec{B}$ in Column-$II$.
Column-$I$ Column-$II$
$(a) |\vec{A} \times \vec{B}| = 0$ $(i) \theta = 30^{\circ}$
$(b) |\vec{A} \times \vec{B}| = 8$ $(ii) \theta = 45^{\circ}$
$(c) |\vec{A} \times \vec{B}| = 4$ $(iii) \theta = 90^{\circ}$
$(d) |\vec{A} \times \vec{B}| = 4\sqrt{2}$ $(iv) \theta = 0^{\circ}$

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