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Which of the following vectors is perpen...

Which of the following vectors is perpendicular to `hati+hatj+hatk` ?

A

`hati-hatj+hatk` `

B

`hati-hatj-hatk`

C

`hati+hatj-hatk`

D

none of above

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The correct Answer is:
D
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PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
  1. If veca=2hati+hatj-hatk and vecb=hati-hatk, then vector projection of ...

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  2. The vector components of a vector vecA=xhati+yhatj along hati+hatj and...

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  3. Which of the following vectors is perpendicular to hati+hatj+hatk ?

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  4. Component of (3hati+4hatj) perpendicular to (hati+hatj) and in the pla...

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  5. Component of (3hati+4hatj) parallel to (hati+hatj) is :

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  6. What is the angle between vecP and the resultant of (vecP+vecQ) and (v...

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  7. If a,b, and c are the unit vectors along the incident ray, reflected r...

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  8. If a unit vector is represented by 0.5hati + 0.8hatj + chatk the value...

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  9. If |vecA + vecB| = |vecA - vecB|, then the angle between vecA and vecB...

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  10. Two vectors vecA and vecB are such that vecA+vecB=vecC and A^2+B^2=C^2...

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  11. Given that P =12, Q = 5 and R = 13 also vecP + vecQ = vecR , then the ...

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  12. The angle between vecP+vecQ and vecP-vecQ will be

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  13. The vectors vecP = ahati + ahatj+ 3hatk and vecQ = ahati-2hatj-hatk ar...

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  14. The value of n so that vectors 2hati+3hatj-2hatk, 5hati+nhatj+hatk and...

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  15. If veca and vecb are two vectors then the value of (veca+vecb)xx(veca-...

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  16. The angle between the two vectors vecA=3hati+4hatj+5hatk and vecB=3hat...

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  17. Maximum and minimum values of the resultant of two forces acting at a ...

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  18. Which of the following expressions are meaningful ?

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  19. The vector i+xj+3 si rotated through an angle theta and doubled in mag...

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  20. Given sin(A+B)=sinAcosB+cosAsinB, which of the following relationships...

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