Which of the following is the unit vector perpendicular to A and BA- -B-A B sin-B- A-B-ABsin-C- A-B-A B cos-D- -B-A B cos-

The correct option is B A×BAB sinθCross product of two vector is , nbsp; nbsp; A×B = AB sinθ n̂ nbsp; Unit vector perpendicular to nbsp;A and B n̂ = A×BAB ...

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Standard XII

Physics

Unit Vectors

Which of the ...

Question

Which of the following is the unit vector perpendicular to $\to A and \to B$

\frac{^A \times^B}{A B sin θ}

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\frac{^A \times^B}{A B cos θ}

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\frac{\to A \times \to B}{A B sin θ}

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\frac{\to A \times \to B}{A B cos θ}

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Solution

The correct option is C $\frac{\to A \times \to B}{A B sin θ}$
Cross product of two vector is ,
$\to A \times \to B = A B sin θ^n$
Unit vector perpendicular to $\to A and \to B$
$^n = \frac{\to A \times \to B}{A B sin θ}$

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Which of the following is the unit vector perpendicular to →A and →B

The correct option is C →A×→BABsinθCross product of two vector is , →A×→B=ABsinθ ^n Unit vector perpendicular to →A and →B ^n=→A×→BABsinθ

Which of the following is the unit vector perpendicular to $\to A and \to B$

The correct option is C $\frac{\to A \times \to B}{A B sin θ}$
Cross product of two vector is ,
$\to A \times \to B = A B sin θ^n$
Unit vector perpendicular to $\to A and \to B$
$^n = \frac{\to A \times \to B}{A B sin θ}$