Home
Class 12
CHEMISTRY
Given: The mass of electron is 9.11 × 10...

Given: The mass of electron is `9.11 × 10^(–31)`Kg Planck constant is `6.626 ×10^(–34)`Js, the uncertainty involved in the measurement of velocity within a distance of 0.1Å is:-

A

`5.79 xx 10^(6) ms^(-1)`

B

`5.79 xx 10^(7) ms^(-1)`

C

`5.79 xx 10^(8) ms^(-1)`

D

`5.79 xx 10^(5) ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

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

  • STRUCTURE OF ATOM

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

  • STATES OF MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|15 Videos

  • STRUCTURE OF ATOM

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

Similar Questions

Explore conceptually related problems

Given m_(e)=9.11 xx 10^(-31)kg and h = 6.626 xx 10^(-34)Js , the uncertainty involved in the measuremenetof velocity within a distance of 0.1Å is

The mass of an electron is 9.11xx10^(-31)kg . How many elecrons would make 1kg?

The mass of electron is 9.11xx10^(-31) kg. Calculate the uncertainty in its velocity if the uncertainty in position is the uncertainty in position is of the order of +-10 pm. (h=6.6xx10^(-34)"kg"m^(2)s^(-1)) .

The mass of an electron is 9.1xx10^(-31) kg and velocity is 2.99xx10^(10) cm s^(-1) . The wavelenth of the electron will be

AAKASH INSTITUTE-STRUCTURE OF ATOM-ASSIGNMENT (SECTION -C) Previous Years Questions
  1. Consider the following sets of quantum numbers which of the...

    Text Solution

    |

  2. With which of the following electronic configuration of an atom has th...

    Text Solution

    |

  3. Given: The mass of electron is 9.11 × 10^(–31)Kg Planck constant is 6....

    Text Solution

    |

  4. The orientation of an atomic orbital is governed by :

    Text Solution

    |

  5. The energy of second Bohr orbit of the hydrogen atom is - 328 k J mol^...

    Text Solution

    |

  6. The uncertainty in the position of an electron (mass = 9.1 xx 10^-28 g...

    Text Solution

    |

  7. The radus of hydrogen atom in the ground state 0.53 Å. The radius of L...

    Text Solution

    |

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

    Text Solution

    |

  9. The outer electronic configuration of Gd (At.No. 64) is

    Text Solution

    |

  10. The ion that is isoelectronic with CO is

    Text Solution

    |

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

    Text Solution

    |

  12. The position of both , an electron and a helium atom is known within 1...

    Text Solution

    |

  13. Which of the following configuration is correct for iron

    Text Solution

    |

  14. Which of the following ions has the maximum number of unpaired d- ele...

    Text Solution

    |

  15. Who modified Bohr's theory of introducing elliptical orbits for electr...

    Text Solution

    |

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

    Text Solution

    |

  17. The following quantum numbers are possible for how many orbitals (s) n...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |