Home
Class 12
PHYSICS
An electron is accelerated through a p...

An electron is accelerated through a potential difference of V volt. Find the de-Broglie wavelength associated with electron.

Text Solution

Verified by Experts

`V=150V,h=6.62xx10^(-34)Js`
`m=9.1xx10^(-31)kg,e=1.6xx10^(-19)C`
`:.lamda=(h)/(sqrt(2Vem))=(6.62xx10^(-34))/(sqrt(2xx9.1xx10^(-31)xx1.6xx10^(-19)xx150))=1Å`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise EXERCISE-I|65 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise EXERCISE-I ASSERTION AND REASON|4 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise EXERCISE - IA|2 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Practice Exercise|57 Videos

Similar Questions

Explore conceptually related problems

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

An electron is accelerated by a potential difference of 9.375 V . Find the de-Broglie wavelength associated with it is Å

An electron is accelerated through a potential difference of 100 volts. What is the de-Broglie wavelength associated with it ? To which part of the electromagnetic does this value of wavelength correspond ?

An electron is accelerated by a potential difference of 50 V. Find the de Broglie wavelength associated with it.

An electron is accelerated by a potential difference of 25 V. Find the de Broglie wavelength associated with it.

An electron is accelerated through a potential difference of 64volts. What is the de-broglie wavelength associated with it? To which part of the electromagnetic spectrum does this value of wavelength correspond?

An electron is accelerated through a potential difference of 100 V , then de-Broglie wavelength associated with it is approximately_____. A^(@)

An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is 1.227 xx 10^(-2) nm, the potential difference is:

An alpha-"particle" is accelerated through a potential difference of V volts from rest. The de-Broglie's wavelengths associated with it is.

An alpha-"particle" is accelerated through a potential difference of V volts from rest. The de-Broglie's wavelengths associated with it is.

AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-PRACTICE EXERCISEX
  1. An electron is accelerated through a potential difference of V volt...

    Text Solution

    |

  2. Two separate monochromatic light beams A and B of the same intensity (...

    Text Solution

    |

  3. The maximum kinetic energy of an electron is E when the incident wavel...

    Text Solution

    |

  4. Two sources A and B have same power . The wavelength of radiation of A...

    Text Solution

    |

  5. The photo electric threshold wavelength for a metal is 2750A^(@), The ...

    Text Solution

    |

  6. When the incident wavelengths are lamda and lamda//2 the kinetic energ...

    Text Solution

    |

  7. A 1 kw radio transmitter operates at a frequency of 880 KHz how many p...

    Text Solution

    |

  8. The threshold wavelength for photo electric emission from a material i...

    Text Solution

    |

  9. Light of wavelength 4000A∘ is incident on a metal surface. The maximum...

    Text Solution

    |

  10. Monochromatic light incident on a metal surface emits electrons with k...

    Text Solution

    |

  11. Three metals have work functions in the ratio 2 3:4. Graphs are drawn ...

    Text Solution

    |

  12. Two photons of energies twice and thrice the work function of a metal ...

    Text Solution

    |

  13. The work function of substance is 4.0 eV. The longest wavelength of li...

    Text Solution

    |

  14. Photoelectric work function of a metal is 1eV, light of wavelength lam...

    Text Solution

    |

  15. When a monochromatic point source of light is at a distance of 0.2 m...

    Text Solution

    |

  16. The work function of a substance is 12.4 eV. The longest wavelength of...

    Text Solution

    |

  17. A surface irradiated with light of wavelength 480 nm gives out electro...

    Text Solution

    |

  18. What P.D. must be applied to stop the fastest photo electron emitted b...

    Text Solution

    |

  19. The threshold frequency for photo electric effect for a metal surface ...

    Text Solution

    |

  20. The work functions of metals A and B are in the ratio 1 : 2. If light ...

    Text Solution

    |

  21. When a metal surface is illuminated by light of wavelengths 400 nm and...

    Text Solution

    |