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If veca = hati+2hatj-hatk, vecb = hati+h...

If `veca` = `hati+2hatj-hatk`, `vecb` = `hati+hatj+2hatk`, `vecc` = `2hati-hatj` then

A

`vecabotvecb`

B

`vecbbotvecc`

C

`vecabotvecc`

D

no pair of vectors are perpendicular

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The correct Answer is:
C
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MBD PUBLICATION-VECTORS-QUESTION BANK
  1. Prove by vector method that in a parallelogram, the line joining a ve...

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  2. Each question given below has four possible answers, out of which only...

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  3. If veca = hati+2hatj-hatk, vecb = hati+hatj+2hatk, vecc = 2hati-hatj ...

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  4. (-3, lemda, 1) bot(1,0,-3) implieslemda =

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  5. Ifveca.vecb = vecc.veca for all vectors veca, then

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  6. Find the scalar product of the following pairs of vectors and the angl...

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  7. Find the scalar product of the following pairs of vectors and the angl...

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  8. Find the scalar product of the following pairs of vectors and the angl...

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  9. Find the scalar product of the following pairs of vectors and the angl...

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  10. If A,B,C are the points (1,0,2), (0,3,1) and (5,2,0) respectively, fin...

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  11. Find the value of lambda so that the vectors veca and vecb are perpend...

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  12. Find the value of lambda so that the vectors veca and vecb are perpend...

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  13. Find the value of lambda so that the vectors veca and vecb are perpend...

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  14. Find the value of lambda so that the vectors veca and vecb are perpend...

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  15. Find the scalar and vector projection of veca on vecb. veca = hati, v...

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  16. Find the scalar and vector projection of veca on vecb. veca = hati+hat...

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  17. Find the scalar and vector projection of veca on vecb. veca = hati-hat...

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  18. In each of the problems given below, find the work done by a force vec...

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  19. In each of the problems given below, find the work done by a force vec...

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  20. In each of the problems given below, find the work done by a force vec...

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