Home
Class 12
PHYSICS
An alpha particle of energy 5 MeV is sca...

An alpha particle of energy `5 MeV` is scattered through `180^(@)` by a found uramiam nucleus . The distance of closest approach is of the order of

A

`10^(-15) cm`

B

`10^(-13) cm`

C

`10^(-12) cm`

D

`10^(-19) cm`

Text Solution

Verified by Experts

The correct Answer is:
C

Use `E = (1)/(4 pi epsilon_(0)) ((Ze) (e))/( r_(0))`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC PHYSICS

    CENGAGE PHYSICS|Exercise Multiple Correct|13 Videos
  • ATOMIC PHYSICS

    CENGAGE PHYSICS|Exercise Linked Comprehension|62 Videos
  • ATOMIC PHYSICS

    CENGAGE PHYSICS|Exercise Subject|17 Videos
  • ALTERNATING CURRENT

    CENGAGE PHYSICS|Exercise QUESTION BANK|65 Videos
  • ATOMS

    CENGAGE PHYSICS|Exercise QUESTION BANK|40 Videos

Similar Questions

Explore conceptually related problems

An alpha particle of energy 5 MeV is scattered through 180^(@) by a found uramiam nucleus . The distance of appreach is of the order of

An alpha -particle having K.E. =7.7MeV is scattered by gold (z=79) nucleus through 180^(@) Find distance of closet approach.

An alpha-particle accelerated through V volt is fired towards a nucleus . Lts distance of closest approach is r.lf a proton accelerated through the same potential is fired towards the same nucleus, then distance of closest approach of proton will be

An alpha -particle accelerated through V volt is fired towards a nucleus . Its distance of closest approach is r . If a proton accelerated through the same potential is fired towards the same nucleus , the distance of closest approach of the proton will be :

An alpha - particle accelerated through V volt is fired towards a nucleus. It distance of closest approach is r. If a proton accelerated through the same potential is fired towards the same nucleus, the distance of closest approach of the proton will be :

An alpha -particle accelerated through V volt is fired towards a nucleus . Its distance of closest approach is r. If a proton acceleration throught the same potential is fired towards the same nucleus, the distance of closest approach of proton will be xr. Find value of x.

An alpha-particle accelerated through V volt is fired towards a nucleus . Its distance of closest approach is . r If a protons is accelerated through the same potential and fired towards the same nucleus , the distance of closest approach of proton will be .

Define the distance of closest approach. An alpha -particle of kinetic enegy 'K' is bombarded on a thin gold foil. The distance of the closest approach is 'r' . What will be the distance of closest approach for an alpha -particle of double the kinetic energy ?

CENGAGE PHYSICS-ATOMIC PHYSICS-Single Correct
  1. If potential energy between a proton and an electron is given by | U |...

    Text Solution

    |

  2. In hydrogen atom, the transition takes place from n = 3 to n = 2. If R...

    Text Solution

    |

  3. An alpha particle of energy 5 MeV is scattered through 180^(@) by a fo...

    Text Solution

    |

  4. How many time does the electron go round the first bohr orbit of hydro...

    Text Solution

    |

  5. The radius of hydrogen atom in the ground state is 5.3 xx 10^(-11) m. ...

    Text Solution

    |

  6. The wavelength of the first line of Balmer series is 6563 Å. The Rydbe...

    Text Solution

    |

  7. A hydrogen atom and a Li^(2+) ion are both in the second excited stat...

    Text Solution

    |

  8. Imagine an atom made up of a proton and a hypothetical particle of do...

    Text Solution

    |

  9. The electric potential between a proton and as electron is given by V=...

    Text Solution

    |

  10. In order to break a chemical bond in the molecules of human skin, caus...

    Text Solution

    |

  11. The longest wavelength that the singly ionized helium atom in its grou...

    Text Solution

    |

  12. The electron in a hydrogen atom make a transtion n(1) rarr n(2) where...

    Text Solution

    |

  13. In which of the following transition will the wavelength be minimum ?

    Text Solution

    |

  14. A photon collides with a stationary hydrogen atom in ground state inel...

    Text Solution

    |

  15. The shortest wavelength of the Brackett series of a hydrogen-like ato...

    Text Solution

    |

  16. In a hypothetical system , a partical of mass m and charge -3 q is mov...

    Text Solution

    |

  17. The angular momentum of an electron in a hydrogen atom is proportional...

    Text Solution

    |

  18. The rartio ("in" S 1 units) of magnetic dipole moment to that of the a...

    Text Solution

    |

  19. If an electron in n = 3 orbit of hydrogen atom jumps down to n = 2 orb...

    Text Solution

    |

  20. In hydrogen spectrum, the shortest wavelength in Balmer series is the ...

    Text Solution

    |