Home
Class 12
PHYSICS
a-particle are projected toward the nucl...

a-particle are projected toward the nuclei of the different metals , with the same kinetic energy . The distance of closest approach is minimum for

A

`Cu (Z=29)`

B

`Ag(Z=47)`

C

`Au(Z=79)`

D

`Pd(Z=46)`

Text Solution

Verified by Experts

The correct Answer is:
A
`r=(1)/(4piepsilon_(0))q_(1)q_(2)Rightarrowraq^(2)`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

a-particles are projected towards the following metals,with the same kinetic energy. Towards which metal, the distance of closest approach is minimum?

Alpha-particles are projectied towards the nuclei of the following metals with the same kinetic energy. Towards which metal, the distance of closest approach is minimum?

Write the relation for distance of closest approach.

What happens to the kinetic energy of the particle at the distance of closest approach?

If an alpha -particle is incident directly towards a nucleus then it will stop when the distance between them is the distance of closest approach. Which of these is correct?

Write the relation for (i) the distance of closest approach and (ii) impact parameter.

A 5 MeV alpha particle is projected towards a stationary nucleus of atomic number 40. Calculate distance of closest approach.

NARAYNA-ATOMIC PHYSICS-LEVEL-I (C.W)
  1. An electron is accelerated in an electric field of 40V cm^(-1). If e//...

    Text Solution

    |

  2. An electron beam moving with a speed of 2.5xx10^(7) ms^(-1) enters i...

    Text Solution

    |

  3. A particle carrying a charge moves perpendicular to a uniform magnetic...

    Text Solution

    |

  4. A Water of mass 3.2xx10^(-18)kg and carrying a charge of 1.6xx10^(-19...

    Text Solution

    |

  5. In a millikon's oil drop experiment, an oil drop of mass 0.64xx10^(-14...

    Text Solution

    |

  6. a-particle are projected toward the nuclei of the different metals , w...

    Text Solution

    |

  7. If in Rutherford's experiment, the number of particles scattered at 90...

    Text Solution

    |

  8. for given impact parameter b, does the angle of deflection increase or...

    Text Solution

    |

  9. Find the frequency of revolution of the electron in the first orbit of...

    Text Solution

    |

  10. What is the energy of a hydrogen atom in the first excited state if th...

    Text Solution

    |

  11. According to bohr model, the diameter or first orbit of hydrogen atom ...

    Text Solution

    |

  12. If the angular momentum of an electron is vec(J) then the magnitude of...

    Text Solution

    |

  13. The radius of the shortest orbit in a one electron system is 18 pm it...

    Text Solution

    |

  14. In the Bohr model of a hydrogen atom, the centripetal force is furnish...

    Text Solution

    |

  15. The energy required to remove an electron in a hydrogen atom from n =...

    Text Solution

    |

  16. The ratio of the energies of the hydrogen atom in its first to second ...

    Text Solution

    |

  17. The number of different wavelengths may be observed in the spectrum fr...

    Text Solution

    |

  18. The ratio of the frequencies of the long wavelength limits of the balm...

    Text Solution

    |

  19. When an electron jumps from higher orbit to the second orbit in hydrog...

    Text Solution

    |

  20. The energy required to separate a hydrogen atom into a proton and an ...

    Text Solution

    |