Home
Class 10
PHYSICS
The radius of hydrogen atom in it's grou...

The radius of hydrogen atom in it's ground state is `4 × 10^-13 m`. After collision with an electron, it is found to have a radius of `64 × 10^-13 m`. What is the principal quantum number `n` of the final state of the atom ?

A

`n=4`

B

`n=2`

C

`n=16`

D

`n=3`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE : IF FALSE CORRECT THE STATEMENT)|22 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (MATCH THE FOLLOWING)|6 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (CHOOSE THE CORRECT ANSWER)|67 Videos

  • MODEL QUESTION PAPER HIGHER LEVEL

    SURA PUBLICATION|Exercise Subjective Questions|25 Videos

  • OPTICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (Higher Order Thinking Skills (HOTS))|6 Videos

Similar Questions

Explore conceptually related problems

The radius of hydrogen atom in it's ground state is 0.1 × 10^-7 m . After collision with an electron, it is found to have a radius of 25.6 × 10^-7 m . What is the principal quantum number n of the final state of the atom ?

The radius of hydrogen atom in it's ground state is 5.3 × 10^-11 m . After collision with an electron, it is found to have a radius of 21.2 × 10^-11 m . What is the principal quantum number n of the final state of the atom ?

The radius of hydrogen atom, in the ground state is of the order of

The energy of a hydrogen atom in the ground state is -13.6 eV. The energy of a He^+ ion in the first excited state will be

SURA PUBLICATION-NUCLEAR PHYSICS-ADDITIONAL QUESTIONS & ANSWER (FILL IN THE BLANKS)
  1. When a hydrogen atom is raised from the ground state to an excited sta...

    Text Solution

    |

  2. The radius of hydrogen atom in it's ground state is 5.3 × 10^-11 m. Af...

    Text Solution

    |

  3. The radius of hydrogen atom in it's ground state is 4 × 10^-13 m. Afte...

    Text Solution

    |

  4. The radius of hydrogen atom in it's ground state is 0.1 × 10^-7 m. Aft...

    Text Solution

    |

  5. In the Bohr's hydrogen atom model, the radius of the stationary orbit ...

    Text Solution

    |

  6. In the Bohr's hydrogen atom model, the radius of the stationary orbit ...

    Text Solution

    |

  7. The energy required to knock out the electron in the fifth orbit of a ...

    Text Solution

    |

  8. The energy required to knock out the electron in the seventh orbit of ...

    Text Solution

    |

  9. In terms of Bohr radius a0, the radius of the second Bohr orbit of a h...

    Text Solution

    |

  10. The ionization energy of hydrogen atom is 13.6 eV. Following Bohr's th...

    Text Solution

    |

  11. The elements whose atomic number is more than 83 undergo radioactivit...

    Text Solution

    |

  12. Most of the radioactive elements are and metals.

    Text Solution

    |

  13. Technitium with atomic number .

    Text Solution

    |

  14. The mass of an atom is concentrated in its central part called.

    Text Solution

    |

  15. Henry Becquerel discovered in 1896.

    Text Solution

    |

  16. is a radioactive element.

    Text Solution

    |

  17. Radium emitted radiations spontaneously like .

    Text Solution

    |

  18. is known as an ore of uranium.

    Text Solution

    |

  19. elements emit harmful radioactive radiations.

    Text Solution

    |

  20. The nucleus of some elements is .

    Text Solution

    |