Home
Class 12
PHYSICS
In a series of radioactive decays, if a ...

In a series of radioactive decays, if a nucleus of mass number 180 and atomic number 72 decays into another nucleus of mass number 172 and atomic 69, then the number of alpha and beta particles released respectively are

A

2,3

B

2,2

C

2,1

D

2,0

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR QUESTIONS|2 Videos

  • MOVING CHARGES AND MAGNETISM

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|28 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|26 Videos

Similar Questions

Explore conceptually related problems

What is mass number of an atom?

Calculate the density of the nucleus with mass number A.

The element with atomic number 84 and mass number 218 change to other element with atomic number 84 and mass number 214. The number of alpha and beta particles emitted are respectively.

What form of radioactive decay reduces the atomic number of protons by 2 ?

A radioactive nucleus (initial mass number A and atomic number Z) emits 2alpha and 2 positrons. The ratio of number of neutrons to that of proton in the final nucleus will be

NEW JOYTHI PUBLICATION-NUCLEI-COMPETITIVE EXAM CORNER
  1. An electron and an alpha particle have same kinetic energy. How are th...

    Text Solution

    |

  2. A radioactive sample at any instant has its disintegration rate 5000 d...

    Text Solution

    |

  3. If the binding energy per nucleon of deuteron is 1.115 Me V, its mass ...

    Text Solution

    |

  4. A uranium nucleus ""(92)U^(238) emits an alpha particle and a beta - p...

    Text Solution

    |

  5. Heavy water is used in nuclear reactors

    Text Solution

    |

  6. A freshly prepared radioactive sample of half-life 4 hours emits radia...

    Text Solution

    |

  7. A radioactive decay can form as isotope of the original nucleus with t...

    Text Solution

    |

  8. The fraction of the radioactive sample will remain undecayed after 4 h...

    Text Solution

    |

  9. Four atoms of hydrogen combine to form an ""2^4He atom with a release ...

    Text Solution

    |

  10. A radioactive material of half-life time of 69.3 days is kept in a con...

    Text Solution

    |

  11. When alpha particle captures an electron, it becomes a

    Text Solution

    |

  12. The half-life of a radioactive substance is 20 minutes. The time taken...

    Text Solution

    |

  13. The ratio of the surface area of the nuclei ""(52)Te^(125) to that of ...

    Text Solution

    |

  14. On an average, the number of neutrons and the energy of a neutron rele...

    Text Solution

    |

  15. After 300 days, the activity of a radioactive sample is 5000 dps (disi...

    Text Solution

    |

  16. The contral rods used in a nuclear can be made up of

    Text Solution

    |

  17. The fusion reaction in the sun is a multi-step process in which the

    Text Solution

    |

  18. A radioactive sample contains 10^(-3) kg each of two species A and B w...

    Text Solution

    |

  19. The binding energy per nucleon for deuteron (""(1)H^(2)) and helium ("...

    Text Solution

    |

  20. In a series of radioactive decays, if a nucleus of mass number 180 and...

    Text Solution

    |