Home
Class 11
CHEMISTRY
An electron is allowed to move freely in...

An electron is allowed to move freely in a closed cubic box of length of side 10 cm. The uncertainty in its velocity will be :

A

`3.35xx10^(-4)" m sec"^(-1)`

B

`5.8xx10^(-4)" m sec"^(-1)`

C

`4xx10^(-5)" m sec "^(-1)`

D

`4xx10^(-6)" m sec "^(-1)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL EQUILIBRIUM

    NARENDRA AWASTHI|Exercise Level 2|1 Videos

Similar Questions

Explore conceptually related problems

If an electron is , to be located within 10pm what will be the uncertainty in its velocity ?

The uncertainty in the velocity of moving bullet of mass 10 g, when uncertainty in its position is 10^(-5) m is

The uncertainty in the position of a moving bullet of mass 10 g is 10^-5 m . Calculate the uncertainty in its velocity.

Calculate the uncertainty in the position of an electron if the uncertainty in its velocity is 5.77xx10^(5) m s^(-1) .

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

The uncertainty in the position of a buller weight 20 g is +- 10^(-4) m .Calculate the uncertainty in its velocity

An electron moving near an atomic nucleus has a speed of 6xx10^(6) +- 1% m//s . What is the uncertainty in its position?

Calculate the uncertainty in the velocity of an electron of the uncertainty in its position is of the order of 1 Å

NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
  1. When an electron makes a transition from (n+1) state of nth state, the...

    Text Solution

    |

  2. In a collection of H-atoms, all the electrons jump from n=5 to ground ...

    Text Solution

    |

  3. An electron is allowed to move freely in a closed cubic box of length ...

    Text Solution

    |

  4. An element undergoes a reaction as shown sx+2e^(-)tox^(-2) Energy r...

    Text Solution

    |

  5. Ground state energy of H-atom is (-E(1)),t he velocity of photoelectro...

    Text Solution

    |

  6. At which temperature will the translational kinetic energy of H-atom e...

    Text Solution

    |

  7. For a 3s - orbital, value of Phi is given by following realation: Ps...

    Text Solution

    |

  8. Monochromatic radiation of specific wavelength is incident on H-atoms ...

    Text Solution

    |

  9. The energy of a I,II and III energy levels of a certain atom are E,(4E...

    Text Solution

    |

  10. Calculate the minimum and maximum number of electrons which may have m...

    Text Solution

    |

  11. An electron in a hydrogen atom in its ground state absorbs 1.5 times a...

    Text Solution

    |

  12. In a measurement of quantum efficiency of photosynthesis in green plan...

    Text Solution

    |

  13. A hydrogen like species (atomic number Z) is present in a higher excit...

    Text Solution

    |

  14. H-atom is exposed to electromagnetic radiation of lambda=1025.6 Å and ...

    Text Solution

    |

  15. If the lowest energy X-rays have lambda=3.055xx10^(-8) m, estimate the...

    Text Solution

    |

  16. An alpha-particle having kinetic energy 5 MeV falls on a Cu-foil. The ...

    Text Solution

    |

  17. In the graph between sqrt(v) and Z for the Mosley's equation sqrt(v)=...

    Text Solution

    |

  18. Balmer gave an equation for wavelegth of visible region of H-spectrum ...

    Text Solution

    |

  19. The energy of seperation of an electron in a hydrogen like atom in exc...

    Text Solution

    |

  20. If I exciation energy for the H-like (hypothetical) sample is 24 eV, t...

    Text Solution

    |