Home
Class 12
PHYSICS
Statement-1:A nucleus having energy E(1)...

Statement-1:A nucleus having energy `E_(1)` decays by `beta^(-)` emission to daugther nucleus having energy `E_(2)`, but the `beta^(-)` rays are emitted with a continuous energy spectrum having end point energy `(E_(1)-E_(2))`.
Statement-2: To conserve energy and momentum in `beta`-decay, at least three particles must take part in the transformation.

A

Statement-1 is incorrect, statement-2 is correct

B

Statement-1 is correct, statement-2 is incorrect

C

Statement-1 is correct, statement-2 correct, statement-2 is correct explanation of statement-1

D

Statement-1 is correct, statement-2 is correct, statement-2 is not the correct explanation of statement-1.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Exercise-05(B)|46 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise MCQ s|8 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Exercise - 04[A]|25 Videos

  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

  • TEST PAPER

    ALLEN|Exercise PHYSICS|4 Videos

Similar Questions

Explore conceptually related problems

Statement-1 : A body with negative energy cannot have momentum. Statement-2 : This is because momentum can be positive only.

A nucleus of mass 218 amu in Free State decays to emit an alpha -particle. Kinetic energy of the beta- particle emitted is 6.7 MeV . The recoil energy (in MeV) of the daughter nucleus is

The energy (E) and momentum (p) of photon are respectively, (symbols have their usual meaning)

Two bodies of masses m and 2m have same momentum. Their respective kinetic energies E_(1 ) and E_(2) are in the ratio

Photon having energy E has the same de Broglie wavelength as that of proton of energy E_1 . The correct relation between E and E_1 is

A radioactive element decays by beta- emission. If mass of parent and daughter nucliede are m_(1) and m_(2) respectively, caluclate energy liberated during the emission.

Statement-1 : An artificial satellie moving in a circular orbit around the earth has a total energy (i.e., sum of potential energy and kinetic energy) E_(0) . Its potential energy is -E_(0) . Statement-2 : Potential energy of the body at a point in a gravitaitonal field of earth is -(GMm)/(R ) .

The gases carbon-monoxide (CO) and nitrogen at the same temperature have kinetic energies E_(1) and E_(2) respectively. Then

This binding energy per nucleon for the parent nucleus is E_(1) and that for the daughter nucleii is E_(2) . Then

Statement-1: kinetic energy of SHM at mean position is equal to potential energy at ends for a particle moving in SHM. Statement-2: Total energy in SHM is conserved.

ALLEN-SIMPLE HARMONIC MOTION-Exercise-04 [B]
  1. The alongside is a plot of binding energy per nucleon E(b) ,against th...

    Text Solution

    |

  2. A nucleus of mass M + Deltam is at rest and decays into two daughter n...

    Text Solution

    |

  3. A nuclear of mass M +deltam is at rest and decay into two daughter nu...

    Text Solution

    |

  4. A radiaoactive nucleus (initial mass number A and atomic number Z emit...

    Text Solution

    |

  5. The half life of a radioactive substance is 20 minutes . The approxima...

    Text Solution

    |

  6. After absorbing a slowly moving neutrons of mass m(N) (momentum ~0) a...

    Text Solution

    |

  7. Statement-1:A nucleus having energy E(1) decays by beta^(-) emission t...

    Text Solution

    |

  8. Assume that a neutron breaks into a proton and an electron . The energ...

    Text Solution

    |

  9. As an electron makes a transition from an excited state to the ground ...

    Text Solution

    |

  10. Match List-I (Fundament Experiment) with List-II (its conclusion) and ...

    Text Solution

    |

  11. If one were to apply Bohr model to a particle of mass 'm' and charge '...

    Text Solution

    |

  12. de-Brogile wavelength of an electron accelerated by a voltage of 50 V ...

    Text Solution

    |

  13. Let N(beta) be the number of beta particles emitted by 1 gram of Na^(2...

    Text Solution

    |

  14. The de-Brogile wavelength associated with electron in the n = 4 level ...

    Text Solution

    |

  15. Half-lives of two radioactive substances A and B are respectively 20 m...

    Text Solution

    |

  16. Radiation of wavelength lambda in indent on a photocell . The fastest ...

    Text Solution

    |

  17. When photon of wavelength lambda(1) are incident on an isolated shere ...

    Text Solution

    |

  18. A hydrogen atom makes a transition from n=2 to n=1 and emits a photon....

    Text Solution

    |

  19. A neutron moving with a speed v makes a head-on collision with a hydro...

    Text Solution

    |

  20. A photoelectric surface is illuminated successively by monochromatic l...

    Text Solution

    |