Question

A vector $\vec{P_{1}}$ is along the positive x-axis. If its vector product with another vector $\vec{P_{2}}$ is zero then $\vec{P_{2}}$ could be(a) $4\hat{j}$ (b) -$4\hat{i}$(c) $(\hat{j} + \hat{k})$ (d) $-(\hat{i} + \hat{j})$

Answer 1

ur answer is

option no d

Answer 2

The right answer is option d.