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A unit vector \hat{a}

Option: 1

Has magnitude zero


Option: 2

Has magnitude one unit


Option: 3

Has magnitude two units


Option: 4

Is in opposite direction of \vec{a}


Answers (1)

best_answer

As we learned

Unit vector -

A vector of unit magnitude in direction of a vector \vec{a} is called unit vector along \widehat{a}.

- wherein

It is denoted by \widehat{a}.

 

 \therefore Option(B)

 

 

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