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For any two vectors vecA and vecB, if ve...

For any two vectors `vecA and vecB,` if `vecA*vecB=|vecAxxvecB|` , the magnitude of `vecC=vecA+vecB` is equal to

A

`sqrt(A^2+B^2)`

B

A+B

C

`sqrt(A^2+B^2+(AB)/(sqrt(2)))`

D

`sqrt(A^2+B^2+sqrt(2)AB)`

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The correct Answer is:
D
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  10. A vector vecP=3hati-2hatj+ahatk is perpendicular to the vector vecQ=2h...

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  11. For any two vectors vecA and vecB, if vecA*vecB=|vecAxxvecB| , the mag...

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  12. vecA*vecA=?

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  13. A vector perpendicular to both of (3hati+hatj+2hatk) and (2hati-2hatj...

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  14. A vector normal to acos theta hati+b sin thetahatj is

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  15. A vector vecA of magnitude 2 units is inclined at angles 30^@ and 60^...

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  16. For what values of a and b , the vector (ahati+bhatj) will be a unit ...

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  18. If |vecAxxvecB|=sqrt(3)vecA*vecB, then |vecA+vecB|=?

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  19. The vector product of vecA and vecB is zero . The scalar product of ve...

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  20. If vecA*vecB=vecA*vecC=0 , then the vector parallel to vecA would be

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