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The unit vector along a given vector is written with which symbol?
AA bar
BA dot
CA star
DA hat
Answer & Solution
Correct answer: D. A hat
1. Notation distinguishes a unit vector at a glance.
2. It sits above the letter.
3. The unit vector is denoted with a hat.
4. So the answer is a hat.
_Source: NCERT Class 12 Mathematics, Ch 10 'Vector Algebra'_
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