Home
Class 12
PHYSICS
In experiment of Davisson-Germer, emitte...

In experiment of Davisson-Germer, emitted electron from filament is accelerated through voltage V then de-Broglie wavelength of that electron will be ………… m.

A

`(2Vem)/sqrt(h)`

B

`sqrt(h)/(2Vem)`

C

`sqrt(2Vem)/(h)`

D

`h/sqrt(2Vem)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Evaluation test|19 Videos
  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Critical Thinking|62 Videos
  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

Similar Questions

Explore conceptually related problems

A proton is accelerated through 225 V . Its de Broglie wavelength is

A proton is accelerated through 225 V . Its de Broglie wavelength is

An electron is accelerated through a potential of 120 V. Find its de Broglie wavelength

For a proton accelerated through V volts , de Broglie wavelength is given as lambda =

In Davisson and Germer experiment, the tungsten filament is coated with

In Davosson-Germer experiment, the filament emits

An electron is accelerated through a potential difference of V volit .Find th e de Broglie wavelength associated with electron.

Assertion (A) : Resolving power of electron microscope increases as electron is accelerated through higher voltage. Reason (R ): de -Broglie wavelength of electron decreases as accelerating voltage of electron increases.

If the accelerating potential in Davisson and Germer experiment is 54 V, the de-Broglie wavelength of the electron is

If the accelerating potential in Davisson and Germer experiment is 30 V, the de-Broglie wavlength of the electron in

TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
  1. Electrons with de- Broglie wavelength lambda fall on the target in an ...

    Text Solution

    |

  2. In Davisson-Germer experiment the decrease of the wavelength of the el...

    Text Solution

    |

  3. In experiment of Davisson-Germer, emitted electron from filament is ac...

    Text Solution

    |

  4. The largest distance between the interatomic planes of crystal is 10^(...

    Text Solution

    |

  5. An electron in a hydrogen atom undergoes a transition from higher ener...

    Text Solution

    |

  6. Hydrogen atom excites energy level from fundamental state to n = 3. Nu...

    Text Solution

    |

  7. Number of spectral lines in hydrogen atom is

    Text Solution

    |

  8. An electron of stationary hydrogen atom jumps from 4^(th) energy level...

    Text Solution

    |

  9. A photon of wavelength 300nm interacts with a stationary hydrogen atom...

    Text Solution

    |

  10. If the electron in hydrogen atom jumps from second Bohr orbit to group...

    Text Solution

    |

  11. What is the wavelength of ligth for the least energetic photon emitted...

    Text Solution

    |

  12. Atomic weight of boron is 10.81 and it has two isotopes .5 B^10 and .5...

    Text Solution

    |

  13. If a proton and anti-proton come close to each other and annihilate, h...

    Text Solution

    |

  14. A nucleus splits into two nuclear parts having radii in the ratio 1:2 ...

    Text Solution

    |

  15. A nucleus of mass 20 u emits a gamma-photon of energy 6 MeV. If the e...

    Text Solution

    |

  16. Half-life of radioactive sample, when activity of material initially w...

    Text Solution

    |

  17. If 20 gm of a radioactive substance due to radioactive decay reduces t...

    Text Solution

    |

  18. Given a sample of radius -226 having half-life of 4 days. Find, the pr...

    Text Solution

    |

  19. During mean life of a radioactive element, the fraction that disintegr...

    Text Solution

    |

  20. A mixture consists of two radioactive materials A1 and A2 with half-li...

    Text Solution

    |