McqMate
| Q. |
Which of the following operation will give a vector that is perpendicular to both vectors a and b? |
| A. | a x b |
| B. | a.b |
| C. | b x a |
| D. | both a x b and b x a |
| Answer» D. both a x b and b x a | |
| Explanation: the resultant vector from the cross product of two vectors is perpendicular to the plane containing both vectors. so both a x b and b x a will give a vector that is perpendicular to both vectors a and b. | |
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