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If vecA=2hati+4hatj and vecB=6hati+8hatj...

If `vecA=2hati+4hatj` and `vecB=6hati+8hatj` and A and B are the magnitudes of `vecA` and `vecB`, then which of the following is not true?

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The correct Answer is:
(i) No, yes (ii) yes (iii) vectors are collinear (iv) `90^(@)` (v) no (vi) never (vii) no
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ALLEN -BASIC MATHS-Exercise-04 [A]
  1. A vector perpendicular to (4hati-3hatj) may be :

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  2. Area of a parallelogram, whose diagonals are 3hati+hatj-2hatk and hati...

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  3. If vecA=2hati+4hatj and vecB=6hati+8hatj and A and B are the magnitude...

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  4. A force (3hati+2hatj) N displaces an object through a distance (2hati-...

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  5. A vector vecF(1) is along the positive X-axis. If its vectors product ...

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  6. If hati,hatj and hatk are unit vectors along X,Y & Z axis respectively...

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  7. Two vectors vecP and vecQ that are perpendicular to each other are ...

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  8. The magnitude of the vector product of two vectors vecA and vecB may n...

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  9. If vecPxxvecQ=vecR, then which of the following statements is not true...

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  10. The vector vecB=5hati+2hatj-Shatk is perpendicular to the vector vecA=...

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  11. Electro motive force (EMF) is :

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  12. A physical quantity which has a direction:-

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  13. Which of the following physical quantities is an axial vector ?

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  14. The minimum number of vectors of equal magnitude required to produce a...

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  15. How many minimum number of vectors in different planes can be added to...

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

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

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  18. What are the maximum number of rectangular component in which a vecto...

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

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  20. The vector sum of the forces of 10 newton and 6 newton can be:

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