If i, ,j, ,k are the unit vectors and mutually perpendicular, the… - Vidyadip

MCQ

If $i,\,j,\,k$ are the unit vectors and mutually perpendicular, then $[i\,k\,j]$ is equal to

A
$0$
✓
$-1$
C
$1$
D
None of these

✓

Answer

Correct option: B.

$-1$

b
(b) $|i\,k\,j|\, = i\,.\,(k \times j) = i\,.\,( - i) = - 1.$

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