Vector cross product property (Jee Mains) | ExamDuo

Vector cross product property (Jee Mains) | ExamDuo

Scalar and Vector Products

Medium

Vector cross product property

Let $\vec a,\vec b,\vec c$ be three vectors such that $\vec a \times \vec b = 2(\vec a \times \vec c)$ . If $|\vec a| = 1,|\vec b| = 4$ , $|\vec c| = 2$ , and the angle between $\vec b$ and $\vec c$ is 60°, then $|\vec a.\vec c|$ is :

SELECT ONE OPTION

Ask about this question