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If two vectors are parallel vectors then...

If two vectors are parallel vectors then :

A

Spring is in elongated state

B

Magnitude of spring force is 4N

C

Acceleration of 2kg block at that instant is `2m//s^2`

D

Spring is in compressed state

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A,B,C
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ALLEN -TEST PAPER-PHYSICS SECTION-I
  1. Given arrangement is in equilibrium and elongation in spring is 1cm. T...

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  2. Net force acting on a particle is always perpendicular to its velocity...

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  3. Two blocks on horizontal ground are connected by a spring. At an insta...

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  4. A bead is moving on a frictionless fixed circular wire of radius 0.8 m...

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  5. Choose the CORRECT statements

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  6. A particle stays at rest as seen in frame. Then which of the following...

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  7. In the List-I some arrangement with ideal string & frictionless & ligh...

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  8. Figure shows a practical situation.The event is observed by four obser...

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  9. In the given figure

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  10. Study the velocity-time graph pictured below and match each segment of...

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  11. If x=a+bt+ct^2 , where x is length and t is time then a,b and c respec...

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  12. If vecA=3hati+4hatj, vecB=6hati+8hatj and vecC=15/sqrt2(hati-hatk) the...

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  13. If two vectors are parallel vectors then :

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  14. There are two vectors vecA and vecB then component of vecA in the dire...

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  15. If force F, density D and area A are taken as fundamental quantities t...

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  16. Which of the following operations is not possible ?

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  17. Which set of magnitude of vectors can give null vector ?

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  18. A particle moves 30m in east and 40 m in north then ratio of magnitude...

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  19. In a new system, unit of mass, length and time is 2kg, 2m and 4sec res...

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  20. In the equation Y=C/K e^((KV-1)) , Y is length and V is velocity then ...

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