Home
Class 12
PHYSICS
An electron of mass m with an initial ve...

An electron of mass `m` with an initial velocity
`vec(v) = v_(0) hat`(i) `(v_(0) gt 0)` enters an electric field
`vec(E ) =- E_(0) hat (i)` `(E_(0) = constant gt 0)` at `t = 0` . If `lambda_(0)` is its de - Broglie wavelength initially, then its de - Broglie wavelength at time `t` is

Text Solution

Verified by Experts

The correct Answer is:
`(lamda_(0))/([1+(eE_(0))/(mv_(0))])`
Promotional Banner

Topper's Solved these Questions

  • ELECTRON,PHONTS,PHOTOELECTRIC EFFECT & X-RAYS

    CENGAGE PHYSICS|Exercise Single correct Answer type|13 Videos

  • ELECTRON,PHONTS,PHOTOELECTRIC EFFECT & X-RAYS

    CENGAGE PHYSICS|Exercise multiple correct|1 Videos

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS|Exercise compression type|7 Videos

  • Electrostatic Potential and Capacitance

    CENGAGE PHYSICS|Exercise QUESTION BANK|23 Videos

Similar Questions

Explore conceptually related problems

An electron (mass m) with an initial velocity v=v_(0)hat(i)(v_(0)gt0) is in an electric field E=-E_(0)hat(l)(E_(0)="constant"gt0) . Its de-Broglie wavelength at time t is given by

An electron (mass m ) with initival velocity vecv = v_(0) hati + v_(0) hatj is the an electric field vecE = - E_(0)hatk . It lambda_(0) is initial de - Broglie wavelength of electron, its de-Broglie wave length at time t is given by :

An electron (mass m) with an initial velocity vecv=v_(0)hati is in an electric field vecE=E_(0)hatj . If lambda_(0)h//mv_(0) . It's de-broglie wavelength at time t is given by

An electron (mass m) with initial velocity bar(v) = -v_(0)hati + 3v_(0)hatk is in an electric field hatE = = 2E_(0)hatj . If lamda_(0) is initial de-Broglie wavelength of electron, its de-Broglie wave length at time t is given by :

An electron (mass m) with initial velocity vecv = v_0 hati + 2v_0 hatj is in an electric field vecE = E_0 hatk . If lamda_0 is initial de-Broglie wavelength of electron, its de-Broglie wave length at time t is given by :

An electron is moving with an initial velocity vecv=v_(0)hati and is in a magnetic field vecB=B_(0)hatj . Then it's de-Broglie wavelength

An electron is projected wit velocity vec(v) = v_(0) hat(x) in an electric field vec(E) = E_(0) hat(y) . Trace the path followed by the electron :-

An electron of mass 'm' is moving with initial velocity v_0hati in an electric field vecE=E_0hati Which of the following is correct de Broglie wavelength at a given time t (lamda_0 is initial de Broglie wavelength ).

CENGAGE PHYSICS-ELECTRON,PHONTS,PHOTOELECTRIC EFFECT & X-RAYS-dpp 3.3
  1. An electron of mass m with an initial velocity vec(v) = v(0) hat(i) ...

    Text Solution

    |

  2. The figure shows different graphs between stopping potential (V(0)) an...

    Text Solution

    |

  3. If maximum velocity with which an electron can be emitted is (mass of ...

    Text Solution

    |

  4. Light of wavelength 2475 Å is incident on barium. Photoelectrons emitt...

    Text Solution

    |

  5. If light of wavelength lambda(1) is allowed to fall on a metal , then ...

    Text Solution

    |

  6. In a photoemissive cell, with exciting wavelength lambda, the faster e...

    Text Solution

    |

  7. In a photocell bichromatic light of wavelength 2475 Å and 6000 Å are i...

    Text Solution

    |

  8. Two metallic plates A and B , each of area 5 xx 10m are placed paralle...

    Text Solution

    |

  9. In the following arrangement y = 1.0 mm , d = 0.24 mm and D = 1.2 m. T...

    Text Solution

    |

  10. Photoelectric emission is observed from a metallic surface for frequen...

    Text Solution

    |

  11. Light from a hydrogen tube is incident on the cathode of a photoelectr...

    Text Solution

    |

  12. Work function of lithium and copper are respectively 2.3 eV and 4.0 eV...

    Text Solution

    |

  13. The work function of a certain metal is (hC)/lambda(0). When a monochr...

    Text Solution

    |

  14. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  15. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  16. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |