Home
Class 12
PHYSICS
During a beta - decay...

During a `beta ` - decay

A

A proton in the nuclesus decays emitting electorn

B

an atomic electron is ejected

C

an electron which is already present within the nucleus is

D

A neutron in the nucleus decays emitting an electron

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 9

    KCET PREVIOUS YEAR PAPERS|Exercise Physics|60 Videos

  • SOLVED PAPER 04

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

Pick out the correct statement/s from the following : (1) Electron emission during beta - decay is always accompanied by neutrino. (2) Nuclear force is charge independent. (3) Fusion is the chief source of stellar energy.

Pick out the correct statement/s from the following : (1) Electron emission during beta -decay is always accompanied by neutrino. (2) Nuclearforce is charge independent. (3) Fusion is the chief source of stellar energy.

During alpha -decay, n/p ratio :

The nucleus ""_(10)^(23)Ne decays by beta^(-) – mission. Write down the beta -decay equation and determine the maximum kinetic energy of the electrons emitted. Given that: m (""_(10)^(23)Ne ) = 22.994466 u m (""_(11)^(23)Na ) = 22.989770 u.

Name the particle that radiates the beta -decay governed by the nuclear force.

Tritium has a half-life of 12.5 y undergoing beta decay. What fraction of a sample of pure tritium will remain undecayed after 25 y.

KCET PREVIOUS YEAR PAPERS-PHYSICS-MCQs
  1. A radio - active element has half - life of 15 years. What is th...

    Text Solution

    |

  2. Two protones are kept at a separation of 10 nm. Let F(n) and F(e) b...

    Text Solution

    |

  3. During a beta - decay

    Text Solution

    |

  4. A positive hole in a semiconductor is

    Text Solution

    |

  5. A 220 V A. C supply is connected between points A and B as shown ...

    Text Solution

    |

  6. In the following circuit what are P and Q :

    Text Solution

    |

  7. A body is intially at rest . It undergos one -dimensional motion ...

    Text Solution

    |

  8. A thin uniform rectangular plate of mass 2 kg is placed X - Y pl...

    Text Solution

    |

  9. One end of a string of length 'l' is connected to a particle of m...

    Text Solution

    |

  10. Young 's modulus of a perfect rigied body is

    Text Solution

    |

  11. A wheel starting from rest gains an angular velcoity of 10 rad/s ...

    Text Solution

    |

  12. Iceberg floats in water with part of it submerged. What is the frac...

    Text Solution

    |

  13. The value of acceleartion due to gravity at a height of 10 km fr...

    Text Solution

    |

  14. In an adiabatic expansion of an ideal gas the product of pressure an...

    Text Solution

    |

  15. A certain amount of heat energy is supplied to a monoatomic idea...

    Text Solution

    |

  16. A sphere, a cube and a thin circular plate all of same material a...

    Text Solution

    |

  17. A thin unifrom reactangular plate of mass 2 kg placed in X - Y pla...

    Text Solution

    |

  18. One end of a string of length 'l' is connected to a particle of m...

    Text Solution

    |

  19. A body is intially at rest . It undergos one -dimensional motion ...

    Text Solution

    |

  20. A wheel starting from rest gains an angular velcoity of 10 rad/s ...

    Text Solution

    |