Home
Class 11
PHYSICS
The mass of an alpha-particle is....

The mass of an `alpha-`particle is.

A

less than the sum of masses of two protons and two neutrons

B

equal to mass of four protons

C

equal to mass of four neutrons

D

equal to sum of masses of two protons and two neutron

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    DISHA|Exercise PHYSICS|40 Videos

  • OSCILLATIONS

    DISHA|Exercise PHYSICS|66 Videos

Similar Questions

Explore conceptually related problems

Calculate the mass of an alpha-particle.Its binding energy is 28.2 meV.

Find the energy required to split ._(8)^(16)O nucleus into for alpha - particles. The mass of alpha - particle is 4.002603u and that of oxygen is 15.994915 u .

A fusion reaction consists of combining four protons into an alpha -particle the mass of alpha - particle is 4.00260u and that of proton is 1.007825u

A beam of alpha paricles is incident on a target of lead. A particular alpha paticles comes in 'head- on' to a particular lead nucleus and stops 6.50 xx 10^(-14) m away from the center of the nucleus. (This point is well outside the nucleus.) Assume that the lead nucleus, which has 82 protons, remains at rest. The mass of alpha particle is 6.64 xx 10^(-27)kg What initial kinetic energy (in joule and in MeV)did the alpha particle have?

A beam of alpha paricles is incident on a target of lead. A particular alpha paticles comes in 'head- on' to a particular lead nucleus and stops 6.50 xx 10^(-14) m away from the center of the nucleus. (This point is well outside the nucleus.) Assume that the lead nucleus, which has 82 protons, remains at rest. The mass of alpha particle is 6.64 xx 10^(-27)kg What was the initial speed of the alpha particle?

An alpha particle and a proton fall through the same potential difference. Find the ratio of their momentra if the mass of the alpha particle is four times that of the proton.

A fusion reaction consists of combining four protons into an alpha –particle. The mass of alpha –particle is 4.002603u and that of proton is 1.007825u, mass of electron is 0.00054466u.

If mass of an atom is M moving with speed v, what will be its speed after the emission of an alpha -particle if speed of alpha -particle is zero ?

A beam of alpha paricles is incident on a target of lead. A particular alpha paticles comes in 'head- on' to a particular lead nucleus and stops 6.50 xx 10^(-14) m away from the center of the nucleus. (This point is well outside the nucleus.) Assume that the lead nucleus, which has 82 protons, remains at rest. The mass of alpha particle is 6.64 xx 10^(-27)kg Calculate the electrostatic potential energy at the instant when the alpha particle stops?

DISHA-NUCLEI-PHYSICS
  1. A sample of a radioactive element has a mass of 10 g at an instant t=0...

    Text Solution

    |

  2. Consider a radioactive material of half-life 1.0 minute. If one of the...

    Text Solution

    |

  3. The mass of an alpha-particle is.

    Text Solution

    |

  4. The decay constants of a radioactive substance for alpha and beta emis...

    Text Solution

    |

  5. If the end A of a wire is irradiated with alpha-rays and the other end...

    Text Solution

    |

  6. A radioactive nucleus of mass M emits a photon of frequency v and the ...

    Text Solution

    |

  7. Radioactive element decays to form a stable nuclide, then the rate of ...

    Text Solution

    |

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

    Text Solution

    |

  9. Atomic weight of boron is 10.81 and it has two isotopes .5 B^10 and .5...

    Text Solution

    |

  10. A nucleus desintegrated into two nucleus which have their velocities i...

    Text Solution

    |

  11. A nucleus of uranium decays at rest into nuclei of thorium and helium....

    Text Solution

    |

  12. If radius of the .13^27 A1 nucleus is taken to be R(A1) then the radiu...

    Text Solution

    |

  13. Mn and Mp represent mass of neutron and proton respectively. If an ele...

    Text Solution

    |

  14. After 300 days, the activity of a radioactive sample is 5000 dps (disi...

    Text Solution

    |

  15. Order of magnitude of density of uranium nucleus is , [m = 1.67 xx 10^...

    Text Solution

    |

  16. The electrons cannot exist inside the nucleus because

    Text Solution

    |

  17. If the total binding energies of .(1)H^(2),.(2)He^(4),.(26)Fe^(56) and...

    Text Solution

    |

  18. At a specific instant emission of radioactive compound is deflected in...

    Text Solution

    |

  19. A nuclear reaction given by 1Z X^A rarr .(Z+1) Y^A + .(-1)e^0 + vecp...

    Text Solution

    |

  20. Radioactive material 'A' has decay constant '8 lamda' and material 'B'...

    Text Solution

    |