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(A) : Collision between two particles is...

(A) : Collision between two particles is not necessarily associated with physical contact between them
(R): Only in physical contact, momentum transfer takes place

A

Both .A. and .R. are true and .R. is the correct explanation of .A.

B

Both .A. and .R. are true and .R. is not the correct explanation of .A.

C

A. is true and .R. is false

D

A. is false and .R. is true

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
  1. Which of the following is an example of completely inelastic collision

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  2. . During head on elastic collision, two bodies of masses m(1) and m(2)...

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  3. (A) : Collision between two particles is not necessarily associated wi...

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  4. A sphere of mass M,, moving with a velocity V0 collides head on with a...

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  5. Let us assume that you have lifted a suitcase and kept it on a table. ...

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  6. No work is done by a force on an object if a) the force is always p...

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  7. The kinetic energy of a particle continuously increases with time. ...

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  8. One end of a light spring of spring constnat k is fixed to a wall and ...

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  9. Statement A: An engine A can perform a given work in 1 hr and engine B...

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  10. . Statement A: Energy is the cause for doing work and work is the effe...

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  11. (A): A spring has potential energy, both when it is compressed or stre...

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  12. A) When a body slides on rough surface, its momentum is not conserved....

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  13. A) Collision doesn.t require physical contact B) Collision between ...

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  14. A) For any collision, momentum transfer takes place. B) In any colli...

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  15. (A): Collision between two fundamental particles is elastic (R) : Fu...

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  16. A) When external forces are involved, momentum of the system is not co...

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  17. A) When a ball hits a wall (stationary) it returns back with same velo...

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  18. For a system to follow the law of conservation of linear momentum duri...

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  19. Consider the following statements A and B. Identify the correct choice...

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  20. . (A): Comets move around the sun in elliptical orbits. The gravitatio...

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