Home
Class 12
PHYSICS
An electron of mass m and charge e initi...

An electron of mass `m` and charge `e` initially at rest gets accelerated by a constant electric field `E`. The rate of change of de-Broglie wavelength of this electron at time `t` ignoring relativistic effects is

A

`(-h)/(|e|E(t)^2)`

B

`(|e|Et)/(h)`

C

`(h)/(|e|Esqrtt)`

D

`(h)/(|e|Et)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos

Similar Questions

Explore conceptually related problems

An electron (-|e|, m) is released in Electric field E from rest. rate of change of de-Broglie wavelength with time will be.

An electron of mass m_e and a proton of mass m_p are accelerated through the same potential difference. The ratio of the de Broglie wavelength associated with an electron to that associated with proton is

An electron of mass m and charge q is accelerated from rest in a uniform electric field of strength E. The velocity acquired by it as it travels a distance l is

An electron of mass m and charge e is accelerated from rest through a potential difference V in vacuum. The final speed of the electron will be

The de Broglie wavelength of an electron accelerated by an electric field of V volt is given by:

An electron of charge e and mass m is accelerated from rest by a potential difference V . the de Broglie wavelength is

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

JEE MAINS PREVIOUS YEAR-JEE MAIN-All Questions
  1. H-like atom with ionization energy of 9R. Find the wavelength of light...

    Text Solution

    |

  2. A plane electromagnetic wave is propagagting along the direction (hati...

    Text Solution

    |

  3. An electron of mass m and charge e initially at rest gets accelerated ...

    Text Solution

    |

  4. A loop of radius R and mass m is placed in a uniform magnetic field B ...

    Text Solution

    |

  5. A mass m attached to spring of natural length l0 and spring constant k...

    Text Solution

    |

  6. A sphere of density rho is half submerged in a liquid of density sigma...

    Text Solution

    |

  7. In YDSE pattern with light of wavelength lambda1 = 500nm, 15 fringes a...

    Text Solution

    |

  8. An electric field vecE=4xhati-(y^(2)+1)hatjN//C passes through the box...

    Text Solution

    |

  9. Find the power loss in each diode (in mW), if potential drop across th...

    Text Solution

    |

  10. If in a meter bridge experiment, the balancing length l was 25 cm for ...

    Text Solution

    |

  11. An ideal gas at initial temperature 300 K is compressed adiabatically ...

    Text Solution

    |

  12. Which of the following combination should be selected for better tunin...

    Text Solution

    |

  13. A star of mass m revolves in radius R in galaxy in which density varie...

    Text Solution

    |

  14. Order of resistance for aluminium, mercury, copper,tungsten.

    Text Solution

    |

  15. A body of mass m moving with velocity u hati collides elastically with...

    Text Solution

    |

  16. C1 = 5.6 muF is charged upto 220V. Another capacitor C2 = 2.8 muF is c...

    Text Solution

    |

  17. A positive point charge (q) is projected along (+x) axis electric fiel...

    Text Solution

    |

  18. If F is the force, v is the velocity and A is the area, considered as ...

    Text Solution

    |

  19. A block of mass 3m is suspended by a meter scale rod of mass m as show...

    Text Solution

    |

  20. There are two magnets P and T, P is used as permanent magnet while T i...

    Text Solution

    |