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Choose the wrong statement

A

Collision between grossy bodies are always inelastic

B

The loss of K.E in elastic collision is converted into other forms of energy like heat (or) sound energy

C

During inelastic collision, law of conservation of momentum is valid

D

Collision between vehicles is inelastic collsion

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The correct Answer is:
B
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
  1. Two bodies of equal masses moving mutually at right angles to each oth...

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  2. During the collision a relatively large force acts on each colliding p...

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  3. Choose the wrong statement

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  4. Which of the following is an example of completely inelastic collision

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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