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Two vectors vecP and vecQ that are perpe...

Two vectors `vecP` and `vecQ` that are perpendicular to each other are :

A

`(vecPxxvecQ)/(P.Q)`

B

`(vecPxxvecQ)/(sin theta)`

C

`(vecpxxvecQ)/(PQ sin theta)`

D

`(vecPxxvecQ)/(PQ sin theta)`

Text Solution

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The correct Answer is:
B

`vecPxxvecQ=(PQ sin theta)hatn`
`hatn` is a unit vector `bot` to plane of `vecP` and `vecQ`
`hatn=(vecPxxvecQ)/(PQ sin theta)=((vecP)/(P))xx((vecQ)/(Q))xx(1)/(sin theta)=(hatPxxhatQ)/(sin theta)`
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ALLEN-BASIC MATHS-EXERCISE-1
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  4. The magnitude of the vector product of two vectors vecA and vecB may n...

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  11. How many minimum number of coplanar vector having different magnitudes...

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  12. How many minimum number of coplanar vector having different magnitudes...

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  13. What is the maximum number of components into which is vector can be s...

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  15. What is the maximum number of rectangular components into which a vect...

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  17. Vector sum of two forces of 10N and 6N cannot be:

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  18. The unit vector along hati+hatj is :

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  19. What is the projection of vecA on vecB ?

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