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A vector whose magnitude is one unit is called a:
AFree vector
BUnit vector
CZero vector
DNull vector
Answer & Solution
Correct answer: B. Unit vector
1. Unity means one, so the magnitude of such a vector is 1.
2. A vector of magnitude one unit is called a unit vector.
3. The unit vector along a is written with a hat above the letter.
_Source: NCERT Class 12 Mathematics Part II, Chapter 10, Vector Algebra._
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