engineering recuitment NFC Chemical Plant Operator Mock Test Mathematics Vector Algebra Scalar and Vector Product
If the magnitude of \(\rm\vec{a}\times \vec{b}\) equals to \(\rm\vec{a}\cdot \vec{b}\), then which one of the following is correct?
1
\(\rm \vec{a}=\vec{b}\)
2
The angle between \(\rm \vec{a}\) and \(\rm\vec{b}\) is 45°
3
\(\rm \vec{a}\) is parallel to \(\rm\vec{b}\)
4
\(\rm \vec{a}\) is perpendicular to \(\rm\vec{b}\)