Home
Class 12
PHYSICS
A body of mass m(1) moving at a constant...

A body of mass `m_(1)` moving at a constant speed undergoes an elastic head on collision with a body of mass `m_(2)` initially at rest. The ratio of the kinetic energy of mass `m_(1)` after the collision to that before the collision is -

A

`((m_1- m_2)/(m_1 + m_2))^(2)`

B

`((m_1+ m_2)/(m_1 + m_2))^(2)`

C

`((2m_1)/(m_1 + m_2))^(2)`

D

`((2m_2)/(m_1 + m_2))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 105

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 107

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A ball of mass in moving with speed u undergoes a head-on elastic collision with a ball of mass nm initially at rest. The fraction of the incident energy transferred to the second ball is

A neutron moving at a speed v undergoes a head-on elastic collision with a nucleus of mass number A at rest. The ratio of the kinetic energies of the neutron after and before collision is :

A ball of mass 'm' moving with speed 'u' undergoes a head-on elastic collision with a ball of mass 'nm' initially at rest. Find the fraction of the incident energy transferred to the second ball.

A body of mass m moving with velocity v makes a head-on collision with another body of mass 2 m which is initially at rest. The loss of kinetic energy of the colliding body (mass m ) is

A body of mass M moving with a speed u has a ‘head on’, perfectly elastic collision with a body of mass m initially at rest. If M > > m , the speed of the body of mass m after collision, will be nearly :

A moving body of mass m makes a head on elastic collision with another body of mass 2m which is initially at rest. Find the fraction of kinetic energy lost by the colliding particles after collision.

A body of mass 2 m moving with velocity v makes a head - on elastic collision with another body of mass m which is initially at rest. Loss of kinetic energy of the colliding body (mass 2 m) is

A body of a mass m moving with speed v collides elastically head on with another body of mass m, initially at rest. Show that the moving body will come to a stop after collision.

NTA MOCK TESTS-NTA NEET SET 106-PHYSICS
  1. If an alpha particle and a deuteron move with velocity v and 2v respec...

    Text Solution

    |

  2. A proton of mass m collides elastically with a particle of unknown mas...

    Text Solution

    |

  3. A body of mass m(1) moving at a constant speed undergoes an elastic he...

    Text Solution

    |

  4. A disc rotates about its aixs of symmetry in a horizontal plane at a s...

    Text Solution

    |

  5. Which of the following statement related to the hysteresis loop is inc...

    Text Solution

    |

  6. To verify Ohm's law, a student is provided with a test resistor RT, a ...

    Text Solution

    |

  7. In the circuit figure, the voltmeter reads 30 V. The resistance of the...

    Text Solution

    |

  8. An emf of 15 V is applied in a circuit containing 5 H inductance and 1...

    Text Solution

    |

  9. A straight wire of mass 200 g and length 1.5 m carries a current of 2 ...

    Text Solution

    |

  10. A mass of 1kg carrying a charge of 2C is accelerated through a potenti...

    Text Solution

    |

  11. The magnetic field In a travelling electromagnetic wave has a peak val...

    Text Solution

    |

  12. If a man weighs 90 kg on the surface of the earth, the height above th...

    Text Solution

    |

  13. Two satellites A and B go around a planet in circular orbits of radii ...

    Text Solution

    |

  14. The amount of heat energy radiated by a metal at temperature T is E. W...

    Text Solution

    |

  15. A thermally insulated container is divided into two parts by a screen....

    Text Solution

    |

  16. A Carnot engine, having an efficiency of eta= 1/10 as heat engine, is ...

    Text Solution

    |

  17. A current carrying squre loop is placed near an infinitely long curre...

    Text Solution

    |

  18. The magnetic dipole moment of current loop is independent of

    Text Solution

    |

  19. A parachutist after bailing out falls 50m without friction. When parac...

    Text Solution

    |

  20. A man throws a packet from a tower directly aiming at his friend who i...

    Text Solution

    |