Home
Class 12
PHYSICS
Atomic mass of .(3)^(7)Li is 7.01600u an...

Atomic mass of `._(3)^(7)Li` is 7.01600u and that of `._(4)^(7)Be` is 7.01693u. Mass of one electron in atomic mass unit is 0.00055 u. if it is observed that `._(4)^(7)Be` decays into `._(3)^(7)Li`, what kind of decay will it be?

Text Solution

Verified by Experts

The correct Answer is:
Electron capture
Promotional Banner

Topper's Solved these Questions

  • MOTION OF CHARGE IN MAGNETIC FIELD

    ARIHANT|Exercise Level-3|4 Videos

  • WAVE OPTICS

    ARIHANT|Exercise All Questions|37 Videos

Similar Questions

Explore conceptually related problems

Calculate the mass of 1 u (atomic mass, [Unit] in grams.

The energy of electron in 1st orbit of hydrogen atom is -13.6 eV . What will be the energy of doubly ionised ._(3)Li^(7) atom in the first orbit?

The mass of ._(3)Li^(7) is 0.042 amu less than the sum of masses of its nucleons. Find the B.E. per nucleon.

The mass of ._3^7Li is 0.042 amu less than the sum of masses of its constituents. The binding energy per nucleon is

The binding energy per nucleon for ._(3)Li^(7) will be, if the mass of ._(3)Li^(7) is 7.0163 a.m.u.

You are given that mass of ""_(3)^7Li = 7.0160 u, Mass of ""_(2)^(4)He = 4.0026 u and Mass of ""_(1)^(1)H = 1.0079 u When 20 g of ""_(3)^(7)Li is converted into ""_(2)^(4)He by proton capture , the energy liberated , (in kWh) , is : [ Mass of nucleon = 1 GeV//c^2) ]

The mass of proton is 1.0073 u and that of neutron is 1.0087 u ( u=atomic mass unit ). The binding energy of ._2^4He , if mass of ._2^4He is 4.0015 u is

ARIHANT-NUCLEAR PHYSICS-All Questions
  1. A radioactive substance has a half life of t(0). Two particular nuclei...

    Text Solution

    |

  2. In a sample of radioactive material the probability that a particular ...

    Text Solution

    |

  3. Atomic mass of .(3)^(7)Li is 7.01600u and that of .(4)^(7)Be is 7.0169...

    Text Solution

    |

  4. .(15)P^(32) is beta active and has a short half life of 14 days. The ....

    Text Solution

    |

  5. A free neutron at rest, decays into three particles: a proton, an elec...

    Text Solution

    |

  6. A radioactive nucleus A decay to C after emitting two alpha and three ...

    Text Solution

    |

  7. A nucleus at rest decays by emitting at alpha particle. The de-Broglie...

    Text Solution

    |

  8. A radioactive sample consists of two isotopes one of then decays by al...

    Text Solution

    |

  9. A deuterium nucleus at rest absorbs a Gamma ray photon of energy 2.21 ...

    Text Solution

    |

  10. Two isotopes of radioactive Radon gas -R(n)^(222) and R(n)^(220) are m...

    Text Solution

    |

  11. The Uranium -238 decay series (also known as 4n+2 series. Can you tell...

    Text Solution

    |

  12. The half lives of two longest-lived radioactive isotopes of phosphorus...

    Text Solution

    |

  13. A diatomic molecule moving at a speed u absorbs a photon of wavelenght...

    Text Solution

    |

  14. A.(7)^(14)N nucleus, when bombarded by .(2)^(4)He, converts into .(8)^...

    Text Solution

    |

  15. Following reactions are known as inverse beta decay p+vecvrarrn+e^(...

    Text Solution

    |

  16. Consider the beta^(-) decay of .(12)^(27)Mg .(12)^(27)Mgrarr.(13)^(2...

    Text Solution

    |

  17. Moderator is used in a nuclear to slow down fast neutrons generated af...

    Text Solution

    |

  18. Two radioactive elements A and B are present in a mixture. Both are be...

    Text Solution

    |

  19. The graph of binding energy per nucleon (overlineBE) versus mass numbe...

    Text Solution

    |

  20. A rock sample has radioactive isotope A that decays into a stable prod...

    Text Solution

    |