Home
Class 12
PHYSICS
The uncertainity in the position of a pa...

The uncertainity in the position of a particle is equal to the de-Broglie wavelength. The uncertainity in its momentum will be

A

`(h)/(lambda)`

B

`(2h)/(lambda)`

C

`(lambda)/(h)`

D

`(3lambda)/(2h)`

Text Solution

Verified by Experts

The correct Answer is:
1

`deltap=(h)/(Deltax)=(h)/(lambda)`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 3|35 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 4|25 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (C.W)|25 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos
  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

If the uncertainty in the position of a particle is equal to its de-Broglie wavelength, the minimum uncertainty in its velocity should be

If the uncertainnty in the position of a moving electron is equal to its de Broglie wavelength then moving its velocity will be completely anertain Explain .

The uncertainty in position of an electron in equal to its de Broglie wavelength .The minimum percentage error in de measuremebnt of velocity under this circumstance will be approsimately

Calculate minimum value of uncertainity in position of a particle whose de broglie wavelength is sqrtpi "Å" and uncertainity in de broglie wavelength is 0.05"Å". Express your asnwer in Angstrom ("Å").

If the uncertainity in the position of an electron is 10^(-10) m , then the value of uncertainity in its momentum (in kg-ms^(-1) ) will be

If the kinetic energy of a moving particle is E , then the de-Broglie wavelength is

The momentum of a particle having de-Broglie wavelength of 6 Å

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 2 (H.W)
  1. Ultraviolet light of wavelength 300nn and intensity 1.0Wm^-2 falls on ...

    Text Solution

    |

  2. Light rays of wavelength 6000A^(@) and of photon intensity 39.6Wm^-2 i...

    Text Solution

    |

  3. Ligth of wavelength 4000A^(@) is incident on a metal surface of work f...

    Text Solution

    |

  4. A photomental is illuminated by lights of wavelenght lambda(1) and lam...

    Text Solution

    |

  5. U.V. light of wavelength 800A^(@)&700A^(@) falls on hydrogen atoms in ...

    Text Solution

    |

  6. In a photoelectric effect experiment, photons of energy 5eV are incide...

    Text Solution

    |

  7. The number of photons emitted per second by a 62W source of monochroma...

    Text Solution

    |

  8. Photons of frequencies 2.2xx10^(15) Hz and 4.6xx10^(15) Hz are inciden...

    Text Solution

    |

  9. If stopping potentials corresponding to wavelengths 4000A and 4500A ar...

    Text Solution

    |

  10. Photons of energy 2.0eV fall on a metal plate and release photoelectro...

    Text Solution

    |

  11. A proton when accelerated through a potential difference of V volt has...

    Text Solution

    |

  12. If the velocity of a particle is increased three times, then the perce...

    Text Solution

    |

  13. If the momentum of electron is changed by P(m) then the de-Broglie wa...

    Text Solution

    |

  14. A proton when accelerated through a p.d of V volt has wavelength lambd...

    Text Solution

    |

  15. If the energy of a particle is reduced to one fourth, then the percent...

    Text Solution

    |

  16. The de Broglie wavelength associated with an electron of velocity 0.3c...

    Text Solution

    |

  17. The uncertainity in the position of a particle is equal to the de-Brog...

    Text Solution

    |

  18. If the uncertainty in the position of proton is 6xx10^-8m, then the mi...

    Text Solution

    |

  19. From Davisson-Germer experiment an alpha particle and a proton are acc...

    Text Solution

    |

  20. If the uncertainity in the position of an electron is 10^(-10) m, then...

    Text Solution

    |