Home
Class 12
PHYSICS
Alpha particle would go undiviated when ...

Alpha particle would go undiviated when it collides with an electron of gold foil . Why ?

Text Solution

Verified by Experts

Because nucleus is positively charged (electrostatic force of repulsion)
Because mass of `alpha`-particle is very high as compared to that of electron.
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION A Objective (One option is correct )|35 Videos

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION B Objective (One option is correct )|12 Videos

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|4 Videos

  • ALTERNATING CURRENT

    AAKASH INSTITUTE|Exercise Assignment (Section-J) (Aakash Chailengers Questions)|1 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

Similar Questions

Explore conceptually related problems

An alpha -particle colliding with one of the electrons in a gold atom looses

When alpha particle captures and electron, then it becomes a

An alpha particle of energy 4MeV is scattered through an angle of 180^(@) by a gold foil (Z=79). Calculate the maximum volume in which positive charge of the atom is likely to be concetrated?

In Rutherford's gold foil experiment most of the alpha -particles pass through the gold foil without any deviation from their paths . This indicates that

AAKASH INSTITUTE-ATOMS-Try Yourself
  1. What is the ratio of mass of an alpha-alpha particle and a proton ?

    Text Solution

    |

  2. Why did Rutherford select a gold foil in his alpha-ray scattering expe...

    Text Solution

    |

  3. Alpha particle would go undiviated when it collides with an electron ...

    Text Solution

    |

  4. What was the fraction of alpha-particles in which deflection of more t...

    Text Solution

    |

  5. What was the fraction of alpha-particles in which deflection of more t...

    Text Solution

    |

  6. Find the expression of radius of an orbit of electron in terms of nucl...

    Text Solution

    |

  7. What would be the charge in tangential velocity of an electron, if it ...

    Text Solution

    |

  8. What should be the angle of deviation for (i)b=0 , (ii)a large value o...

    Text Solution

    |

  9. What should be the minimum value of angular momentum for an electron ...

    Text Solution

    |

  10. When an electron makes transition from its stable orbit to another sta...

    Text Solution

    |

  11. Find the ratio of velocities of electron in 2^"nd" and 4^"th" orbit of...

    Text Solution

    |

  12. What should be the maximum velocity of an electron orbiting around a h...

    Text Solution

    |

  13. What is the ratio of radii of 3^"rd" and 2^"nd" orbit of hydrogen atom...

    Text Solution

    |

  14. Find the area enclosed by the circular path of an electron in first or...

    Text Solution

    |

  15. What is the ratio of magnitude of potential energy to the kinetic ener...

    Text Solution

    |

  16. If total energy of the same electron is E, then what would be its kine...

    Text Solution

    |

  17. Choose correct option out of the following with increase in n. (a)T...

    Text Solution

    |

  18. What is the value of n for which time period is 8 times the time perio...

    Text Solution

    |

  19. What is the energy emitted when an electron jumps froms second orbit t...

    Text Solution

    |

  20. With increase in n, ionisation energy will increase or decrease ?

    Text Solution

    |