Home
Class 12
CHEMISTRY
For an electron if the uncertainty in ve...

For an electron if the uncertainty in velocity is `Delta v`, the uncertainty in its position (`Delta x`) is given by:

A

`h/2pim Deltav`

B

`(2pi)/(hmDeltav)`

C

`h/(4pimDeltav)`

D

`(2pi)/(hDeltav)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER (GASES AND LIQUIDS)

    MBD PUBLICATION|Exercise QUESTION BANK|345 Videos

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

Similar Questions

Explore conceptually related problems

If uncertainty in position of electron is zero, the uncertainty in its momentum would be:

A ball is projected horizontally with a velocity of magnitude 5 m/s. Find its position after 1/4 sec:

In a triangle one of the vertices is at (2,5) and the centroid of the triangle is at (-1,1). Find the coordinates of the midpoint of the side opposite to the given angular point.

MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
  1. Which consists of particle of matter ?

    Text Solution

    |

  2. The energy of an electron in the first Bohr's orbit of H atom is -13.6...

    Text Solution

    |

  3. For an electron if the uncertainty in velocity is Delta v, the uncerta...

    Text Solution

    |

  4. The quantum numbers for the last electron in an atom are n = 3, l = 1 ...

    Text Solution

    |

  5. The radius of Bohr's first orbit in H atom is 0.053 nm. The radius of ...

    Text Solution

    |

  6. The ionization potential of hydrogen atom is 13.6 eV. The energy requi...

    Text Solution

    |

  7. The number of nodal planes is greatest for the orbital:

    Text Solution

    |

  8. For which species, Bohr's theory does not apply:

    Text Solution

    |

  9. Number of unpaired electrons in the electronic configuration 1s^2, 2s^...

    Text Solution

    |

  10. Which represents the correct set of four quantum number of a 4d-electr...

    Text Solution

    |

  11. The value of bohr's radius for hydrogen atom is:

    Text Solution

    |

  12. The threshold wavelength for photoelectric effect on sodium is 5000 ov...

    Text Solution

    |

  13. sqrt2.h/(2pi)

    Text Solution

    |

  14. The total energy of the electron in the hydrogen atom in the ground st...

    Text Solution

    |

  15. If the series limit of wavelength of the Lyman series for the hydrogen...

    Text Solution

    |

  16. The difference in angular momentum associated with the electron in two...

    Text Solution

    |

  17. Ionisation potential of Hydrogen atom is 13.6 eV. Hydrogen atom in the...

    Text Solution

    |

  18. The energy per quantum associated with light of wavelength 250xx10(-19...

    Text Solution

    |

  19. The shortest lambda for the Lyman series is…. (Given RH=109678 cm^(-1...

    Text Solution

    |

  20. The longest lambda for the Lyman series is…. (Given RH=109678 cm^(-1)...

    Text Solution

    |