Home
Class 12
CHEMISTRY
The position of both an electron and a h...

The position of both an electron and a helium atom is known within `1.0 nm` and the momentum of the electron is known within `5.0 xx 10^-26 kg ms^-1`. The minimum uncertainty in the measurement of the momentum of the helium atom is.

A

`8.0 xx 10 ^(-26)ms^(-1)`

B

`80kg ms^(-1)`

C

`50 kg ms^(-1)`

D

`5.0 xx 10^(-26)kg ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -D) Assertion-Reason Type Questions|15 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -B) Objective type questions|34 Videos

  • STATES OF MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|14 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION -J) Aakash Challengers Questions|12 Videos

Similar Questions

Explore conceptually related problems

The uncertainty in the momentum of a particle is 6.0 xx 10^(-2) kg m s^(-1) .Calculate the uncertainty in the position

If the electron is to be located within 5 xx 10^(-5) Å what will be the uncertainty in the velocity ?

The uncertainty in the momentum of a particle is 3.3 xx10^(-2) kg ms^(-1) the uncertainty in its position will be

Find the momentum of an electron having wavelength 2A^(0)(h=6.62 xx 10^(-34)Js)

When an electron jumps from a level n = 4 to n = 1 , the momentum of the recoiled hydrogen atom will be

When an electron jumps from a level n = 4 to n = 1 , the momentum of the recoiled hydrogen atom will be

The uncertainty in the momentum of an electron is 1.0 xx 10^(-5) kgms^(-1) . The uncertainty in its position will be : ( h = 6.626 xx 10^(-34) Js )

The uncertainty in the momentum of a particle is 6xx10^(-9)kg ms^(-1) . Calculate the uncertainty in its position.

For a Bohr atom, angular momentum of an electron is (n = 0, 1,2 .....)

The uncertainty involved in the measurement of velocity of electron with in a distance of 0.1 Å is :

AAKASH INSTITUTE ENGLISH-STRUCTURE OF ATOM-ASSIGNMENT (SECTION -C) Previous Years Questions
  1. A micorscope using suitable photons is employed an electron in an atom...

    Text Solution

    |

  2. Orientation of orbitals is given by

    Text Solution

    |

  3. The energy of second Bohr orbit of the hydrogen atom is -328 kJ "mol"...

    Text Solution

    |

  4. Uncertainty in position of an electron (mass of an electron is =9.1x...

    Text Solution

    |

  5. Bohr radium for the hydrogen atom (n=1) is approximately 0.530 Å. The ...

    Text Solution

    |

  6. In Bohr 's model of hydrogen when an electron jumps from n=1 to n=3 ho...

    Text Solution

    |

  7. The electronic configuration of gadolinium (Atomic number 64) is

    Text Solution

    |

  8. The ion that is isoelectronic with CO is

    Text Solution

    |

  9. Bohr's radius for the H-atom (n =1) is approximately 0.53 Ã…. The ra...

    Text Solution

    |

  10. The position of both an electron and a helium atom is known within 1.0...

    Text Solution

    |

  11. Which of the following electron configurations is correct for iron,(at...

    Text Solution

    |

  12. Which of the following has maximum of unpaired d- electrons ?

    Text Solution

    |

  13. Who modified Bohr's theory by introducing elliptical orbits for el...

    Text Solution

    |

  14. The de-Broglie wavelength of a particle with mass 1 g and velocity 100...

    Text Solution

    |

  15. The following quantum numbers are possible for how many orbital (s) n...

    Text Solution

    |

  16. The frequency of radiation emiited when the electron falls n =...

    Text Solution

    |

  17. Which one of the following ions has electronic configuration [Ar]3d^(6...

    Text Solution

    |

  18. which of the following is not among shortcomings of bohr 's mod...

    Text Solution

    |

  19. Number of spectral lines falling Balmer series when electrons a...

    Text Solution

    |

  20. The ratio of the energy required to remove an electron from the first ...

    Text Solution

    |