Home
Class 11
CHEMISTRY
An alpha-particle having kinetic energy ...

An `alpha`-particle having kinetic energy 5 MeV falls on a Cu-foil. The shortest distance from the nucleus of Cu to which `alpha`- particle reaches is (Atomic no. of Cu=29,`K=9xx10^(9)Nm^(2)//C^(2)`)

A

`2.35xx10^(-13)` m

B

`1.67xx10^(-14)` m

C

`5.98xx10^(-15)` m

D

none of these

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL EQUILIBRIUM

    NARENDRA AWASTHI|Exercise Level 2|1 Videos

Similar Questions

Explore conceptually related problems

An alpha -particle having kinetic energy x MeV falls on a Cu-foil. The shortest distance from the nucleus of Cu to which alpha -particle reaches is 1.67 xx 10^(-14) m . What is the value of x ? [Given : Atomic number of Cu = 29, K = 9 xx 10^(9) Nm^(2)//C^(2) ]

An alpha -particle with kinetic energy K is heading towards a stationary nucleus of atomic number Z . Find the distance of the closest approach.

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.

An alpha -particle of kinetic energy 7.68 MeV is projected towards the nucleus of copper (Z=29). Calculate its distance of nearest approach.

An alpha - particle of 5MeV energy strikes with a nucleus of uranium at stationary at an scattering angle of 180o .The nearest distance up to which alpha - particle reaches the nucleus will be of the order of

An alpha particle having KE equal to 8.7MeV is projected towards the nucleus of copper with Z=29. Calculate its distance of closest approach.

NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
  1. H-atom is exposed to electromagnetic radiation of lambda=1025.6 Å and ...

    Text Solution

    |

  2. If the lowest energy X-rays have lambda=3.055xx10^(-8) m, estimate the...

    Text Solution

    |

  3. An alpha-particle having kinetic energy 5 MeV falls on a Cu-foil. The ...

    Text Solution

    |

  4. In the graph between sqrt(v) and Z for the Mosley's equation sqrt(v)=...

    Text Solution

    |

  5. Balmer gave an equation for wavelegth of visible region of H-spectrum ...

    Text Solution

    |

  6. The energy of seperation of an electron in a hydrogen like atom in exc...

    Text Solution

    |

  7. If I exciation energy for the H-like (hypothetical) sample is 24 eV, t...

    Text Solution

    |

  8. Werner Heisenberg considered the limits of how precisely we can measur...

    Text Solution

    |

  9. Werner Heisenberg considered the limits of how precisely we can measur...

    Text Solution

    |

  10. Werner Heisenberg considered the limits of how precisely we can measur...

    Text Solution

    |

  11. One of the fundamental laws of physics is that matter is most stable w...

    Text Solution

    |

  12. One of the fundamental laws of physics is that matter is most stable w...

    Text Solution

    |

  13. One of the fundamental laws of physics is that matter is most stable w...

    Text Solution

    |

  14. One of the fundamental laws of physics is that matter is most stable w...

    Text Solution

    |

  15. If hydrogen atoms (in the ground state ) are passed through an homogen...

    Text Solution

    |

  16. If hydrogen atoms (in the ground state ) are passed through an homogen...

    Text Solution

    |

  17. Ozone in the upper atmoshphere absorbs ultraviolet radiation which ind...

    Text Solution

    |

  18. Ozone in the upper atmoshphere absorbs ultraviolet radiation which ind...

    Text Solution

    |

  19. The existence of negatively charged particle in an atom was shown by J...

    Text Solution

    |

  20. The existence of negatively charged particle in an atom was shown by J...

    Text Solution

    |