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If vecPxxvecQ=vecR, then which of the fo...

If `vecPxxvecQ=vecR`, then which of the following statements is not true:

A

`vecRbotvecP`

B

`vecbotvecQ`

C

`vecRbot(vecP+vecQ)`

D

`vecRbot(vecPxxvecQ)`

Text Solution

Verified by Experts

The correct Answer is:
D
`vecPxxvecQ=vecR`
`vecR` is `bot` to plane of `vecP` and `vecQ`
Thus `vecR bot vecP,vecR bot vecQ` and `vecR bot (vecR+vecQ)`
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ALLEN-BASIC MATHS-EXERCISE-1
  1. Two vectors vecP and vecQ that are perpendicular to each other are ...

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

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

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

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  5. Electro motive force (EMF) is :

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  6. A physical quantity which has a direction:-

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

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

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

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

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

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  12. What are the maximum number of (i) rectangular component vectors (ii)c...

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

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

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

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  16. The unit vector along hati+hatj is :

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  17. What is the projection of vecA on vecB ?

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  18. What is the angle between vecA and the rsultant of (vecAhatB) and (vec...

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  19. The angle between vectors (hati+hatj) and (hatj+hatk) is :

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  20. The angle between two vectors given by (6hati+6hatk) and (7hati+4hatj+...

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