Home
Class 11
CHEMISTRY
Calculate the velocity of an alpha-parti...

Calculate the velocity of an `alpha`-particle which begins to reverse its direction at a distance of `2xx10^(-14)` m from a scattering gold nucleus (Z=79)

Text Solution

Verified by Experts

The correct Answer is:
`2.346xx10^(7)m//sec`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Questions with single correct Answer|203 Videos

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Set-2|46 Videos

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Miscellaneous Numerical Examples|12 Videos

  • AROMATIC HYDROCARBONS (ARENES)

    OP TANDON|Exercise EXAMPLES|24 Videos

  • CHARACTERISATION OF ORGANIC COMPOUNDS

    OP TANDON|Exercise Passage-2|5 Videos

Similar Questions

Explore conceptually related problems

An alpha -particle after passing through a potential difference of 2 xx 10^(6) V falls on a silver foil. The atomic number of silver is 47. Calculaye (i) the kinetic energy of the alpha -particle at the time of falling on the foil (ii) the kinetic energy of the alpha -particle at a distance of 5 xx 10^(-14) m from the nucleus and (iii) the shortest distance from the nucleus of silver to which the alpha -particle reaches.

What is the Coulomb's force between two alpha -particles separated by a distance of 3.2xx10^(-15) m .

In a geiger - marsden experiment. Find the distance of closest approach to the nucleus of a 7.7 me v alpha - particle before it comes momentarily to rest and reverses its direction. (z for gold nucleus = 79) .

In a Geiger-Marsden experiment, calculate energy of alpha particle whose distance of closet approach to the nucleus of Z=79 is 2.8 xx 10^(-14) m. How will the distance of closet approach be affected when the kinetic energy of the alpha -particle is doubled ?

Calculate the energy of an alpha -particle whose distance of closest approach with the gold nucleus is 29.5 fermi.

Nucleus ._(92)U^(238) emits alpha -particle (._(2)He^(4)) . alpha- particle has atomic number 2 and mass number 4. At any instant alpha- particle is at distance of 9 xx 10^(-15)m from the centre of nucleus of uranium. What is the force on alpha- particle at this instant? ._(92)U^(238) rarr ._(2)He^(4) + ._(90)Th^(234)

An alpha paritcle carrying an electric charge 3.2 xx 10^(-19)C is at a distance of 13.8 xx 10^(15)m from a gold nucleus (atomic number=79). Calculate the fore exertedby the gold nucleus on the alpha particle.

The maximum K.E found in alpha particle of natural origin is 7.7MeV.Find the closest distance of approach for the gold nucleus.(Z = 79 for gold)

OP TANDON-ATOMIC STRUCTURE -Practice Problems
  1. The photoelectric cut off voltage in a certain experiment is 1.5V. Wha...

    Text Solution

    |

  2. A proton is accelerated to one tenth of the velocity of light. If its ...

    Text Solution

    |

  3. In a photoelectric effect experiment irradiation of a metal with ...

    Text Solution

    |

  4. Calculate the wavelength of a CO(2) molecule moving with a velocity of...

    Text Solution

    |

  5. The predominant yellow line in the spectrum of a sodium vapour lamp ha...

    Text Solution

    |

  6. Find out the wavelength of a track star running a 100 metre dash I 10....

    Text Solution

    |

  7. At what velocity ratio are the wavelengths of an electron and a proton...

    Text Solution

    |

  8. Through what potential difference must an electron pass to have a wave...

    Text Solution

    |

  9. Calculate the velocity of an alpha-particle which begins to reverse it...

    Text Solution

    |

  10. Two hydrogen atom collide Collide head on and end up with zero kin...

    Text Solution

    |

  11. Show that the wavelength of electrons moving at a velocity very small ...

    Text Solution

    |

  12. What is the distance of closest approach to the nucleus of an alphapar...

    Text Solution

    |

  13. Photo electrons are liberated by ultraviolet light of wavelength 3000 ...

    Text Solution

    |

  14. Show that de Broglie wavelength of electrons accelerated V volt is ver...

    Text Solution

    |

  15. A 1 MeV proton is sent against a gold leaf (Z=79). Calculate the dista...

    Text Solution

    |

  16. What is the energy, momentum and wavelength of the photon emitted by a...

    Text Solution

    |

  17. Calculate the orbital angular momentum of the following orbitals: (a...

    Text Solution

    |

  18. A single electron system has ionization energy 11180 kJ mol^(-1). Find...

    Text Solution

    |

  19. Suppose 10^(-17)J of light energy is needed by the interior of the hum...

    Text Solution

    |

  20. How many hydrogen atoms in the ground state are exited by means of mon...

    Text Solution

    |