Home
Class 12
PHYSICS
Nucleus contains protons and neutrons on...

Nucleus contains protons and neutrons only but in beta decay, the electrons are emitted from the nucleus. Explain.

Text Solution

Verified by Experts

In beta decay, the neutrons present inside the nucleus decays into proton, electron and antineutrino. The same electron is emitted from the nucleus.
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    MODERN PUBLICATION|Exercise TOUGH & TRICKY PROBLEMS|9 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise NCERT FILE SOLVED (TEXTBOOK EXERCISES)|22 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS|38 Videos

  • MOVING CHARGES AND MAGNETISM

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|13 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

In beta-"decay", the total number of particles in the nucleus

Nucleus of an atom contains 5 protons and 6 neutrons .The valency of element will be

A free neutron decays into a proton, an electron and

MODERN PUBLICATION-NUCLEI-CONCEPTUAL QUESTIONS
  1. Determine the number of electrons, proton and neutrons in the nucleus ...

    Text Solution

    |

  2. The binding energies of two particles X and Y are 2.26 MeV/nucleon and...

    Text Solution

    |

  3. Which is the most unstable elementary particle in an atom?

    Text Solution

    |

  4. Nucleus contains protons and neutrons only but in beta decay, the elec...

    Text Solution

    |

  5. During alpha decay of a nucleus, how does the neutron to proton ratio ...

    Text Solution

    |

  6. During beta decay of a nucleus, how does the neutrons to proton ratio ...

    Text Solution

    |

  7. A nucleus with mass number A =240 and BE//A = 7.6 Me V breaks i...

    Text Solution

    |

  8. Calculate the energy in the given fusion reaction. ""(1)H^(2) + ""(1...

    Text Solution

    |

  9. Why plutonium is not found in observable quantity in the universe?

    Text Solution

    |

  10. Four nuclei of an element undergo fusion to form a heavier nucleus , w...

    Text Solution

    |

  11. Is it possible for ""(92)U^(238) spontaneously to emit a proton? Given...

    Text Solution

    |

  12. Answer the following questions: a) Are the equations of nuclear re...

    Text Solution

    |

  13. If both the numbers of protons and neutrons are conserved in each nucl...

    Text Solution

    |

  14. Which among alpha and beta particles have higher ionising power and wh...

    Text Solution

    |

  15. Order of ionization power of alpha, beta and gamma rays is

    Text Solution

    |

  16. What is the difference between a beta particle and electron?

    Text Solution

    |

  17. How is reaction rate controlled in a nuclear reactor?

    Text Solution

    |

  18. What is the role of heavy water in a nuclear reactor?

    Text Solution

    |

  19. State the reason, why heavy water is generally used as a moderator in...

    Text Solution

    |

  20. A radiactive nucleus 'A' undergoes a series of decays according to the...

    Text Solution

    |