Home
Class 12
PHYSICS
Radioactive .27^60Co is transformed into...

Radioactive `._27^60Co` is transformed into stable `._28^60`Ni by emitting two `gamma`-rays of energies

A

1.33 MeV and 1.17 MeV in succession

B

1.17 MeV and 1.33 MeV in succession

C

1.37 MeV and 1.13 MeV in succession

D

1.13 MeV and 1.37 MeV in succession

Text Solution

Verified by Experts

The correct Answer is:
B
`""_(27)^(60)Co`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Past Years Questions|67 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Assertion and Reason|23 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Nucleus, Nuclear Reaction)|57 Videos

  • ALTERNATING CURRENT

    ERRORLESS|Exercise Assertion & Reason|13 Videos

  • CURRENT ELECTRICITY

    ERRORLESS|Exercise ASSERTION AND REASON|26 Videos

Similar Questions

Explore conceptually related problems

In an accelerator experiment on high energy collision of electrons with positrons, a certain events is interpted as annhilation of an electron-positron pair of total energy 10.2 BeV into two gamma -rays of equal energy. What is the wavelength associated with each gamma -rays? (1BeV=10^(9)eV)

^57Co decays to ^57Fe by beta^+ -emission.The resulting ^57Fe is in its excited state and comes to the ground state by emitting gamma -rays.The half-life of beta^+ -decay is 270 days and that of the gamma -emission is 10^(-8) s.A sample of ^57Co given 5.0xx10^9 gamma rays per second.How much time will elapse before the emission rate of gamma rays drops to 2.5xx10^9 per second ?

Radioactive substances emit gamma-rays , which are :

The radioactive isotope ._(27)^(60)Co which has now replaced radium in the treatment of cancer can be made by a(n,p) or (n, gamma) reaction. For each reactio, indicate the apporipriate target nucleus. If the half life of ._(27)^(60)Co is 7 year evaluate the decay constant in s^(-1) .

ERRORLESS-ATOMIC AND NUCLEAR PHYSICS-NCERT BASED QUESTIONS (Radioactivity)
  1. A nuclear decay is possible if the mass of the parent nucleus exceeds ...

    Text Solution

    |

  2. Carbon-II decays to boron-II according to the following formula. .(6...

    Text Solution

    |

  3. which a U^(238) nucleus original at rest , decay by emitting an alpha ...

    Text Solution

    |

  4. A nucleus of mass 218 amu in Free State decays to emit an alpha-partic...

    Text Solution

    |

  5. Radioactive .27^60Co is transformed into stable .28^60Ni by emitting t...

    Text Solution

    |

  6. In the given reaction .z X^A rarr .(z+1)Y^A rarr .(z-1) K^(A - 4) ra...

    Text Solution

    |

  7. Which of the following is in the increasing order for penetrating powe...

    Text Solution

    |

  8. A radioactive nucleus undergoes a series of deacy according to the sch...

    Text Solution

    |

  9. Three alpha-particle and one beta-particle decaying takes place in ser...

    Text Solution

    |

  10. A radioactive nucleus .92 X^235 decays to .91 Y^231. Which of followin...

    Text Solution

    |

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

    Text Solution

    |

  12. beta-particle is emitted in radioactivity by

    Text Solution

    |

  13. A radioactive nucleus with Z protons and N neutrons emits an alpha-pa...

    Text Solution

    |

  14. If .92 U^238 undergoes successively 8 alpha-decays and 6 beta-decays, ...

    Text Solution

    |

  15. A radioactive decay chain starts from .93 Np^237 and produces .90 Th^2...

    Text Solution

    |

  16. The number of beta particles emitted by a radioactive substance is twi...

    Text Solution

    |

  17. What is the respective number of alpha and beta particles emitted in t...

    Text Solution

    |

  18. A radioactive element .90 X^238 decay into .83 Y^222. The number of be...

    Text Solution

    |

  19. When a nucleus in an atom undergoes a radioactive decay, the electroni...

    Text Solution

    |

  20. In a radioactive material the activity at time t(1) is R(1) and at a l...

    Text Solution

    |