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VECTOR ALGEBRA — MATHS STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceMATHSVECTOR ALGEBRA1 Mark
Question
Define unit vector.
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Answer

A vector whose modulus is unity is called a unit vector. The unit vector in the direction of a vector $\vec{\text{a}}$ is denoted by $\hat{\text{a}}$.
Thus, $|\hat{\text{a}}|=1$

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