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On a vector diagram, direction is shown by the:
ALength
BLabels
CArrow
DColour
Answer & Solution
Correct answer: C. Arrow
1. A segment alone does not say which way it points.
2. One end is marked to fix that.
3. The arrow indicates the direction of the vector.
4. So the answer is the arrow.
_Source: NCERT Class 12 Mathematics, Ch 10 'Vector Algebra'_
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