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The velocities in a head on elastic coll...

The velocities in a head on elastic collision be interchanged"

A

If masses are equal only

B

it may be possible if masses are not equal

C

it is always possible.

D

it is never possible.

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PHYSICS GALAXY - ASHISH ARORA-LINEAR MOMENTUM & ITS CONSERVATION-Conceptual MCQ s single option correct
  1. Four particle, each of mass m, are placed at corners of a square of si...

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  2. Which one of the following statemetns is correct with reference to ela...

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  3. The velocities in a head on elastic collision be interchanged"

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  4. A body of mass m moves in a horizontal circle of radius r at contact s...

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  5. For a particle moving in a horizontal circle with constant angular vel...

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  6. In a system of particles, internal forces can change:

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  7. Three particles each of mass m are located at the vertices of an equil...

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  8. A ball kept in a closed box moves in the box making collisions with th...

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  9. A strip of wood of length l is placed on a smooth horizontal surface. ...

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  10. The centre of mass of a system of particle is at the origin the number...

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  11. Six steel balls of identical size are lined up along a straight frict...

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  12. n balls each of mass m impinge elastically each second on a surface wi...

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  13. The bob A of a pendulum released from a height h hits head-on another ...

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  14. A nucleus moving with velocity bar(v) emits an alpha-particle. Let the...

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  15. A uniform sphere is placed on a smooth horizontal surface and a horizo...

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  16. Five identical balls each of mass m and radius r are string like beads...

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  17. The end of a chain of length L and mass per unit length rho, which is ...

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  18. Which of the following is correct about principle of conservation of m...

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  19. A uniform rod AB of mass m and length l is at rest on a smooth horizon...

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  20. A body is fired from point P and strikes at Q inside a smooth circular...

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