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A vector remins unchanged on :...

A vector remins unchanged on :

A

rotating it through some angle

B

taking its cross product with a units vector

C

taking its cross product with a unit vector

D

shifting it parallel to itself

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The correct Answer is:
D
(d) Conceptual
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GRB PUBLICATION-VECTORS-OBJECTIVE QUESTIONS
  1. A vector vecA is rotated through angle theta about its tail. Chan...

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  2. A particle is moving on a circular path with a constant speed 'v'. ...

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  3. Linear momentum of an object can be expressed as vecP= (4 cos t)ha...

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  4. vecA and vecB are two vectors. (vecA + vecB) xx (vecA - vecB) can...

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  5. Vertices of a triangle are A(3, 1, 2), B(1, -1, 2) and C(2, 1, 1). ...

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  6. A vector remins unchanged on :

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  7. The velocity of a particle is v=6hati+2hatj-2hatk The component of the...

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  8. A particle is displaced from a position 2hati-hatj+hatk (m) to another...

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

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  10. The angle between the two vectors vecA=5hati+5hatj and vecB=5hati-5hat...

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  11. A paricle starting from the origin (0,0) moves in a straight line in (...

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  12. The sum of two vectors A and B is at right angles to their difference....

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  13. If vecA=2hati+3hatj-hatk and vecB=-hati+3hatj+4hatk then projection of...

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  14. A particle acted upon by constant forces 4hati +hatj- 4 hatk and ...

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  15. The component of vector A=a(x)hati+a(y)hatj+a(z)hatk and the directioi...

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  16. The angle subtended by vector vecA = 4 hati + 3hatj + 12hatk with t...

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  17. vecA and vecB are two vectors gives by vecA = 2 hati + 3hatj and ve...

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  18. Given vecC = vecA xx vecB and vecD = vecB xx vecA. What is the angle ...

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  19. The resultant of two vectors vecP andvecQ is vecR. If the magnitude...

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  20. A particle moves in the xy plane under the influence of a force such t...

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