Home
Class 12
PHYSICS
The wavelength lambda of de Broglie wave...

The wavelength `lambda` of de Broglie waves associated with an electron (mass `m`, charge) accelerated through a potential difference of `V` is given by (`h` is planck's constant):

A

`lambda=h//mV`

B

`lambda=h//2meV`

C

`lambda=h//sqrt(meV)`

D

`lambda=h//sqrt(2meV)`

Text Solution

Verified by Experts

The correct Answer is:
D
`lambda=h/P=h/sqrt(2mK)=h/sqrt(2meV)`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE

    NARAYNA|Exercise LEVEL-VI|21 Videos

  • DUAL NATURE

    NARAYNA|Exercise LEVEL-I(H.W)|7 Videos

  • DUAL NATURE

    NARAYNA|Exercise NCERT BASED QUES.|26 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -4|43 Videos

Similar Questions

Explore conceptually related problems

Calculate de Broglie wavelength associated with an electron, accelerated through a potential difference of 400 V .

The de-Broglie waves associated with an electron accelerated through a potential difference of 121V is :

The wavelength associated with an electron accelerated through a potential difference of 100 V is nearly

What is the de-Broglie wavelength associated with an electron accelerated through a potential of 100V ?

The ratio of de-Broglie wavelength associated with a proton and a mu -particle accelerated through the same potential difference 'V' is

What is the de-Broglie wavelength associated with an electron moving with an electron, accelerated through a potential difference of 100 volt?

The ratio of de-Broglie wavelength associated with two electrons accelerated through 25V and 36V is

An electron of mass m when accelerated through a potential difference V, has de Broglie wavelength lambda . The de Broglie wavelength associated with a proton of mass M accelerated through the same potential difference, will be :-

Calculate the de-Broglie wavelength of an electron beam accelerated through a potential difference of 60 V.

NARAYNA-DUAL NATURE-LEVEL-V
  1. A particle of mass M at rest dacays into two particle of masses m(1) a...

    Text Solution

    |

  2. Let p and E denote the linear momentum and energy of a photon. If the ...

    Text Solution

    |

  3. The wavelength lambda of de Broglie waves associated with an electron ...

    Text Solution

    |

  4. Two particles of masses m and 2m have equal kinetic energies. Their de...

    Text Solution

    |

  5. The wavelength of de-Broglie wave associated with a thermal neutron of...

    Text Solution

    |

  6. A proton and an electron are accelerated by the same potential differe...

    Text Solution

    |

  7. Photoelectric effect supports quantum nature of light because (a) th...

    Text Solution

    |

  8. When photons of energy 4.25 eV strike the surface of metal A, the ejec...

    Text Solution

    |

  9. The graph between the stopping potential (V(0)) and ((1)/(lambda)) is...

    Text Solution

    |

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

    Text Solution

    |

  11. The collecter of the photocell (in photoelectric experiment ) is made ...

    Text Solution

    |

  12. The collecter of the photocell (in photoelectric experiment ) is made ...

    Text Solution

    |

  13. The collecter of the photocell (in photoelectric experiment ) is made ...

    Text Solution

    |

  14. In a photoelectric effect set up, a point source of light of power 3.2...

    Text Solution

    |

  15. In a photoelectric effect set up, a point source of light of power 3.2...

    Text Solution

    |

  16. The radius of and alpha-particle moving in a circle in a constant magn...

    Text Solution

    |

  17. The de Broglie wavelength of an electron moving with a velocity of 1.5...

    Text Solution

    |

  18. 'S' is isotropic point source producing monochromatic radiation with p...

    Text Solution

    |

  19. A monochromatic source of light operation at 200 W emits 4xx10^(20) ph...

    Text Solution

    |

  20. An electron of mass m with an initial velocity vec(v) = v(0) hat(i) ...

    Text Solution

    |