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A vector is not changed if...

A vector is not changed if

A

it is displaced parallel to itself

B

It is rotated through an arbitrary angle

C

It is cross - multiplied by a unit vector

D

It is multiplied by an arbitrary scalar

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The correct Answer is:
A
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MOTION-VECTOR & CALCULUS-EXERCISE -2 (LEVEL - I) OBJECTIVE PROBLEMS
  1. Vector vec(A) points N - E and its magnitude is 3kgms^(-1) it is multi...

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  2. A hall has the dimensions 10 m xx 12 m xx 14 m. A fly starting at one ...

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  3. A vector is not changed if

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  4. The angle theta between directions of forces vecA and vecB is 90^@ whe...

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  5. Find the resultant of three vectors vecOA , vecOB, vecOC each of magni...

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  6. If the angle between two forces increases, the magnitude of their resu...

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  7. If vecA = 3hati + 4hatj and vecB = hati + hatj + 2hatk then find out ...

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  8. Vector vec(A) is 2cm long and is 60^(@) above the x-axis in the first ...

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  9. Six forcees, 9.81 N each, acting at a point are coplaner. If the angle...

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  10. If veca = x(1) hati + y(1)hatj & vecb = x(2)hati + y(2) hatj. The cond...

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  11. A vector vecA points vertically upward and vecB points towards north. ...

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  12. Given : vecA = 2hati + 3hatj and vecB = 5hati - 6hatj. The magnitude o...

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  13. Given : vecA = 2hati - hatj + 2hatk and vecB = -hati - hatj + hatk. Th...

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  14. Find (dy)/(dx) as a function of x y = (x/2 - 1)^(-10)

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  15. Find (dy)/(dx) as a function of x y = sin 5x

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  16. If y=sin(x)+"in"(x^(2))+e^(2x) "then"(dy)/(dx) will be :

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  17. If y=2sin(omegat+phi) where omega and phi constants then (dy)/(dt) wil...

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  18. Find the first derivative and second derivative of given function w.r....

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  19. Find the first derivative and second derivative of given function w.r....

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  20. Find derivative of e^x tanx

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