Question

The resultant of two vectors at an angle ${150}^{\circ }$ is $10$ units and is perpendicular to one vector. The magnitude of the smaller vector is

• A. $10units$
• B. $10\sqrt{3}units$
• C. $10\sqrt{2}units$
• D. $5\sqrt{3}units$

Answer 1

The correct option is B $10\sqrt{3}units$

(B) is the correct answer.