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If veca=2hati+hatj-hatk and vecb=hati-ha...

If `veca=2hati+hatj-hatk` and `vecb=hati-hatk`, then vector projection of `veca` on `vecb` will be :

A

`1/2(2hati+hatj-hatk)`

B

`3/2(hati-hatk)`

C

`1/2(hati-hatj)`

D

`3/2(2hati+hatj-hatk)`

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The correct Answer is:
B
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PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
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  2. If A=5hati+12hatj and B=3hati+4hatj, find vector component of vecA in ...

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  3. If veca=2hati+hatj-hatk and vecb=hati-hatk, then vector projection of ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. Which of the following expressions are meaningful ?

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