Question

(d) 1
If a = a1i + a2j and b = b1i +b2j, then direction of a x b is
(a) along x-axis
(b) along z-axis
(c) along a
(d) along y-axis​

Answer 1

Answer:

(b)along z-axis

Explanation:

We know resultant of cross product of 2 vectors is perpendicular to both of them.

here both a and b vectors are present in the xy -plane and perpendicular to xy-plane is z-axis.

Hence answer will be option (b).

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