Home
Class 12
PHYSICS
If the de Broglie wavelength of a gas mo...

If the de Broglie wavelength of a gas molecule at `0^(@)C` be `lamda`, what will be its wavelength at `819^(@)C`?

A

`lamda`

B

`(lamda)/(2)`

C

`(lamda)/(3)`

D

`(lamda)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Very Short Answer Types Questions)|37 Videos
  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Short Answer Type Questions- I)|18 Videos
  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise NCERT Exemplar Questions with Answer HINT|8 Videos
  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|8 Videos
  • QUESTION PAPER OF NEET 2017

    CHHAYA PUBLICATION|Exercise QUESTION PAPERS OF (NEET) (2017)|39 Videos

Similar Questions

Explore conceptually related problems

find the de Broglie's wavelength.

The atomic masses of helium and neon are 4.0 and 20.0 amu respectively. The value of the de Broglie wavelength of helium gas at -73^(@)C is M times the de Broglie wavelength of neon at 727^(@)C . The value of M is

The de Broglie wavelength of a particle of kinetic energy K is lamda . What would be the wavelength of the particle if its kinetic energy were K/4 ?

The de Broglie wavelength for an electron moving under potential V is lambda . What will he the wavelength if the potential be 4V

The de Broglie wavelength of a moving electron is 1 Å . What is its velocity?

What is the de Broglie wavelength of anitrogen molecule at 300 K? Assume the molecule to be moving with its rms speed. [Atomic mass of nitrogen = 14.0076 u ]

The de Broglie wavelength of an electron is 0.4 xx 10^(-10) m when its kinetic energy is 1.0 keV. Its wavelength will be 1.0 xx 10^(-10) m , when its kinetic energy is

What do you mean by de Broglie wavelength?

The de Broglie wavelength of a moving particle of mass m is lamda . For a few particles of different masses

CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Multiple Choice Questions)
  1. Work function of zinc is twice that of sodium. If the photoelectric th...

    Text Solution

    |

  2. Threshold wavelength of a metal for electron emission is 5200Å. Which ...

    Text Solution

    |

  3. When photons of energy 6eV is incident on a metal surface, the kinetic...

    Text Solution

    |

  4. In case of photoelectric effect, the incident photon

    Text Solution

    |

  5. Which of the following quantities has the same dimension as that of Pl...

    Text Solution

    |

  6. In case of photoelectric effect, the graph of kinetic energy of photoe...

    Text Solution

    |

  7. A body absorbs 5 xx 10^(29) photons of frequency 10^(20) Hz. Which of ...

    Text Solution

    |

  8. The momentum of a photon (frequency = f, rest mass = 0) is

    Text Solution

    |

  9. A monochromatic radiation of wavelength lamda and intensity I is incid...

    Text Solution

    |

  10. The threshold frequency for a photosensitive metal is 3.3 xx 10^(14) H...

    Text Solution

    |

  11. The anode voltage of a photocell is kept fixed. The wavelength lamda o...

    Text Solution

    |

  12. A body of mass 60g is moving with a velocity of 10 m.s^(-1). The de Br...

    Text Solution

    |

  13. If the de Broglie wavelength of a gas molecule at 0^(@)C be lamda, wha...

    Text Solution

    |

  14. Two moving electrons have a ratio of 1 : 2 between their respective ki...

    Text Solution

    |

  15. An electron is accelerated by a photential difference V and as a resul...

    Text Solution

    |

  16. The wavelength associated with an electron of mass m having kinetic en...

    Text Solution

    |

  17. The wavelength of a light is 0.01 Å. If h be the Planck's constant, th...

    Text Solution

    |

  18. Electron used in an electron microscope are accelerated by a voltage o...

    Text Solution

    |

  19. The de Broglie wavelength associated with proton changes by 0.25% if i...

    Text Solution

    |

  20. The proton when accelerated through a potential difference of V volt h...

    Text Solution

    |