Two non-zero vectors and satisfy

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Two non-zero vectors

\mathbf p

and

\mathbf q

satisfy

\mathbf p\cdot\mathbf q = -|\mathbf p|\,|\mathbf q|

. What is the angle

\theta

between them? (a)

90^{\circ}

(b)

0^{\circ}

(c)

180^{\circ}

(d)

120^{\circ}