Home
Class 12
PHYSICS
The energy spectrum of beta - particle [...

The energy spectrum of `beta` - particle [number `N€` as a function of `beta` - energy E] emitted from a radioactive source is

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C

The energy spectrum of `beta`-particles emitted from a radioactive source is
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Exercise-05 [A]|39 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Exercise-05 [B]|12 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Exercise-04 [A]|20 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

The electron emitted in beta radiation originates from

Consider the following sketch of potential energy for a particle as a function of position. There are no dissipative forces or internal sources of energy. What is the minimum total mechanical energy that the particle can have if you know that it has travelled over the entire region of X shown?

Work function of aluminium plate is phi when radiation of hf energy is incident on metal surface photoelectron of kinetic energy K is emitted .Now if frequency of radiation is made double,kinetic energy of photoelectron will become…..

The terminology different parts of the electromagnetic spectrum is given in the text. Use the formula E = hv (for energy of a quantum of radiation : photon) and obtain the photon energy in units of eV different parts of the electromagnetic spectrum. In what way are the different scales of photon energies that you obtain related to the sources of electromagnetic radiation ?

Potential energy curve U of a particle as function of the position of a particle is shown. The particle has total mechanical energy E of 3.0 joules. Then select correct alternative.

Assertion : Though light of a single frequency (monochromatic) is incident on a metal , the energies of emitted photoelectrons are different. Reason : The energy of electrons emitted from inside the metal surface is lost in collision with the other atoms in the metal.

Let N_(beta) be the number of beta particles emitted by 1 gram of Na^(24) radioactive nuclei (half life = 15 hrs) in 7.5 hours, N_(beta) is close to (Avogadro number = 6.023 xx 10^(23) // "g. mole" ) :-

A radioactive element decays by beta-emission . A detector records n beta particles in 2 s and in next 2 s it records 0.75 n beta particles. Find mean life correct to nearest whole number. Given ln |2| = 0.6931 , ln |3|=1.0986 .

Below are shown the energy levels for a particular atom. A photon with wavelength is emitted when the system transist from the fourth energy level (4E) to the first energy level (E). When the system transist from the (7)/(3)E energy level to E energy level photons emitted with wavelength lamda_(2) , then (lamda_(1))/(lamda_(2))=.......

ALLEN -SIMPLE HARMONIC MOTION-Exercise-04 [B]
  1. An alpha-nucleus of energy (1)/(2)mv^(2) bombards a heavy nuclear targ...

    Text Solution

    |

  2. When .(3)Li^(7) nuclei are bombarded by protons , and the resultant nu...

    Text Solution

    |

  3. The energy spectrum of beta - particle [number N€ as a function of bet...

    Text Solution

    |

  4. Per nucleon energy of .(3)Li^(2) and .(2)He^(4) nucleus is 5.60 MeV an...

    Text Solution

    |

  5. If M(o) is the mass of an oxygen isotope .(8)O^(17), M(p) and M(N) are...

    Text Solution

    |

  6. In gamma ray emission from a nucleus

    Text Solution

    |

  7. The half - line period a radioactive element X is same as the mean lif...

    Text Solution

    |

  8. This question contains Statement - 1 and Statement -2 Of the four choi...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |