Home
Class 12
CHEMISTRY
If uncertainty in position of electron i...

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

A

`h//2pi`

B

`h//4 pi`

C

zero

D

infinity

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 6

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos
  • SOLVED PAPER 04

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

If the uncertainty in the positioin of an electron is zero, the uncertainty in its momentum would be

Calculate the uncertainty in the position of an electron if the uncertainty in its velocity is 5.7 xx 10^5 m//sec (h = 6.626 xx 10^(-34) kg m^2 s^(-1) , mass of the electron = 9.1 xx 10^(−31) kg ).

Using uncertainity principle,calculate the uncertainty in velocity of an electron if the uncertainty in position is 10^(-4) m .

When uncertainty in position and momentum are equal, then uncertainty in velocity is

The approximate mass of an electron is 10^(-27) g. Calculate the uncertainty in its velocity if the uncertainty in its position were of the order of 10^(-11) m

The uncertainty in the momentum of an electron is 1.0xx10^(-5)kgms^(-1) . The uncertainty in position will be (h=6.6xx10^(-34)kgm^(2)s^(-1))

For an electron having s=1//2 , the spin anglar momentum is

A body accelerates from rest with a uniform acceleration a for time t. The uncertainty in a is 8% and the uncertainty in t is 4% . The uncertainty in speed is :

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 9-Chemistry
  1. Which of the following atoms in its ground state is likely to be diama...

    Text Solution

    |

  2. Which is likely to have the highest melting point ?

    Text Solution

    |

  3. If uncertainty in position of electron is zero, the uncertainty in its...

    Text Solution

    |

  4. Which contains the same number of molecules as 16 g oxygen

    Text Solution

    |

  5. Glucose on reduction with Na/Hg and water gives

    Text Solution

    |

  6. Aniline was acetylated. The product on nitration followed by alkaline ...

    Text Solution

    |

  7. Substance containing an asymmetric carbon atom

    Text Solution

    |

  8. Nitration of Salicylic acid will give

    Text Solution

    |

  9. Acetaldehyde and acetone differ in their reaction with

    Text Solution

    |

  10. When C(2)H(5)OH is mixed with ammonia and passed over heated alumina, ...

    Text Solution

    |

  11. Which compound on reaction with ethyl magnesium bromide and water will...

    Text Solution

    |

  12. The gases evolved at anode during Kolbe synthesis are

    Text Solution

    |

  13. Silica gel is used for keeping away the moisture because it

    Text Solution

    |

  14. The molecule which behaves as electrophile and nucleophile is

    Text Solution

    |

  15. In the second group of qualitative analysis, H(2)S is passed through a...

    Text Solution

    |

  16. Which on treating with etheral solution of AlCl(3) gives LiAlH(4) ?

    Text Solution

    |

  17. Which of the following hydrogen halides has the lowest boiling point?

    Text Solution

    |

  18. SO(2) is dried by

    Text Solution

    |

  19. Nitrous acid reacts with H(2)SO(4) give

    Text Solution

    |

  20. When conc. H(2)SO(4) is added to charcoal

    Text Solution

    |