Question

Evaluate \[\hat{k}\times\hat{i}\].

Options

• \[-\hat{i}\]

• \[\hat{j}\]

• \[-\hat{j}\]

• \[\hat{k}\]

Answer 1

The cyclic unit vector relation is \[\hat{k}\times\hat{i}=\hat{j}\]. Reversing this order would produce \[-\hat{j}\].