Home
Class 12
PHYSICS
In alpha-particle scattering experiment,...

In alpha-particle scattering experiment, the perpendicular distance(b) of initial velocity vector of the the alpha-particle from the centre of nucleus is equal to (where E is initial kinetic energy of alpha-particle) (##AAK_MCP_38_NEET_PHY_E38_020_Q01##)

A

`(Ze^2sin^2(theta/2))/(4πepsilon_0E)`

B

`(Ze^2cot(theta/2))/(4πepsilon_0E)`

C

`(Ze^2cos(theta/2))/(4πepsilon_0E)`

D

`(Z^2e^2E)/(sin^4(theta/2)4πepsilon_0)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Mock Test 37

    AAKASH INSTITUTE|Exercise Example|21 Videos
  • Mock Test 39: PHYSICS

    AAKASH INSTITUTE|Exercise Example|26 Videos

Similar Questions

Explore conceptually related problems

" The perpendicular distance of the initial velocity vector of the "alpha" - particle form the centre of nucleus is called "

From the alpha -particle scattering experiment, Rutherford conculded that

From the alpha - particle scattering experiment Rutherford concluded that

What is the impact parameter at which the scattering angle is 10^(@) for Z = 79 and initial energy of the alpha -particle is 5MeV ?

An alpha- particle moves from E to W in a magnetic field perpendicular to the plane of the paper and into the paper. The particle is defelcted towards

The distance of closest approach of an alpha particle to the nucleus of gold is 2.73 xx 10^(-14) m. Calculate the energy of the alpha particle.

A nucleus with mass number 184 initially at rest emits an alpha particle. If the Q value of the reaction is 5.5 MeV, calculate the kinetic energy of the energy of the alpha particle

AAKASH INSTITUTE-Mock Test 38: PHYSICS-Example
  1. The De-Brogli wave is

    Text Solution

    |

  2. The work function of two metals metal A and metal B are 6.5 eV and 4.5...

    Text Solution

    |

  3. The wave like character is significant and measurable for

    Text Solution

    |

  4. If the material particle is moving with velocity v and the velocity of...

    Text Solution

    |

  5. The material having minimum work function is

    Text Solution

    |

  6. The possible value of radius of orbit of H-atom is (lambda is the de-B...

    Text Solution

    |

  7. The ionisation energy of electron (E) is second orbit of hydrogen atom...

    Text Solution

    |

  8. The minimum energy needed to separate the constituent of nucieons sys...

    Text Solution

    |

  9. Find the longest wavelength present in the Balmer series of hydrogen.

    Text Solution

    |

  10. In alpha-particle scattering experiment, the perpendicular distance(b)...

    Text Solution

    |

  11. The total energy (E) of the electron is an orbit of radius r in hydrog...

    Text Solution

    |

  12. According to Bohr's theory the possible value of angular momentum of a...

    Text Solution

    |

  13. For hydrogen atom, energy of nth level is given by

    Text Solution

    |

  14. Calculate the value of Rydberg's constant.

    Text Solution

    |

  15. The ratio of the velocity of electron in 3rd and 5th orbit of hydrogen...

    Text Solution

    |

  16. According to Rutherford, which force was responsible for certripetal a...

    Text Solution

    |

  17. In x-ray spectra, the Kgamma lines in k series corresponds to

    Text Solution

    |

  18. Total energy of an electron in an atom is negative . What does it sign...

    Text Solution

    |

  19. In mu-particle scattering experiment, the expression of distance of cl...

    Text Solution

    |

  20. In Lyman series the wavelength lambda of emitted radiation is given by...

    Text Solution

    |