Home
Class 12
PHYSICS
A nucleus .n^ m X emits one alpha-partic...

A nucleus `._n^ m X` emits one `alpha-`particle and two `beta-`particles. The resulting nucleus is

A

`underset( n-4) overset( m-6) (. ) Z`

B

`underset( n) overset( m-6) (. ) Z`

C

` underset( n ) overset( m-4) (. ) X`

D

` underset( m-4) overset( n-2) (. ) Y`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RADIOACTIVITY & NUCLEAR PHYSICS

    MOTION|Exercise Exercise-2|24 Videos

  • PROJECTILE MOTION

    MOTION|Exercise EXERCISE-3 (SECTION-B)|8 Videos

  • RAY OPTICS

    MOTION|Exercise Exercise-4|38 Videos
MOTION-RADIOACTIVITY & NUCLEAR PHYSICS-Exercise-3
  1. The power obtained in a reactor using U^(235) disintergration is 1000k...

    Text Solution

    |

  2. The half-life of a radioactive isotope X is 50 years. It decays to ano...

    Text Solution

    |

  3. A nucleus .n^ m X emits one alpha-particle and two beta-particles. The...

    Text Solution

    |

  4. Two radioactive nuclei P and Q, in a given sample decay into a stable ...

    Text Solution

    |

  5. If the nuclear radius of .^27 A1 is 3.6 Fermi, the approximate nuclear...

    Text Solution

    |

  6. A mixture consists of two radioactive materials A1 and A2 with half-li...

    Text Solution

    |

  7. The half-life of redioactive element is 600 yr. The fraction of sample...

    Text Solution

    |

  8. A certain mass of hydrogen is changed to helium by the process of fusi...

    Text Solution

    |

  9. The half-life of a radioactive isotope X is 20 yr. It decays to anothe...

    Text Solution

    |

  10. In nuclear fission which is conserved -

    Text Solution

    |

  11. If the power of nuclear reactor is 100 watt then rate of nuclear fissi...

    Text Solution

    |

  12. Tick the incorrect statement -

    Text Solution

    |

  13. Which of the following statement is incorrect -

    Text Solution

    |

  14. In negative beta decay :-

    Text Solution

    |

  15. The binding energy per nucleon of .(3)^(7) Li and .(2)^(4)He nuclei ar...

    Text Solution

    |

  16. A radio isotope X with a half life 1.4xx10^(9) yr decays of Y which is...

    Text Solution

    |

  17. If radius of the .(13)^(27)Al nucleus is taken to be R(AI), then the r...

    Text Solution

    |

  18. A nucleus of uranium decays at rest into nuclei of thorium and helium....

    Text Solution

    |

  19. Find the volume of .(12) Mg ^(24) nucleus (inm^(3))

    Text Solution

    |

  20. Highly energetic electrons are bombarded on a target of an element con...

    Text Solution

    |