JEE PYQ: Vector Algebra Question 31
Question 31 - 2019 (08 Apr Shift 1)
The magnitude of the projection of the vector $2\hat{i} + 3\hat{j} + \hat{k}$ on the vector perpendicular to the plane containing the vectors $\hat{i} + \hat{j} + \hat{k}$ and $\hat{i} + 2\hat{j} + 3\hat{k}$, is:
(1) $\frac{\sqrt{3}}{2}$
(2) $\sqrt{6}$
(3) $3\sqrt{6}$
(4) $\sqrt{\frac{3}{2}}$