Home
Class 12
PHYSICS
Electrons are accelerated through a p.d....

Electrons are accelerated through a `p.d`. Of `150V`. Given `m=9.1xx10^(-31)kg,e=1.6xx10^(-19)c,h=6.62xx10^(-34)Js`, the de Broglie wavelength associated with it is

A

`1.5 A^(0)`

B

`1.0 A^(0)`

C

`3.0 A^(0)`

D

`0.5 A^(0)`

Text Solution

Verified by Experts

`lambda = sqrt((150)/(V))`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (C.W)|25 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (H.W)|20 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (C.W)|40 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos

  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

Photon having energy equivalent to the binding energy of 4th state of He^(+) ion is used to eject an electron from the metal with KE/2eV . If electron is further accelerated through a potential difference of 4V then the minimum value of de Broglie wavelength associated with the electron is : (h = 6.6 xx 10^(-34) J-s , m_(e) = 9.1 xx 10^(-31) kg . 1 eV = 1.6 xx 10^(-19) J )

Calculate the de-Broglie wavelength of an electron of kinetic energy 100 eV. Given m_(e)=9.1xx10^(-31)kg, h=6.62xx10^(-34)Js .

Given m_(e)=9.11 xx 10^(-31)kg and h = 6.626 xx 10^(-34)Js , the uncertainty involved in the measuremenetof velocity within a distance of 0.1Å is

If the velocity of the electron in Bohr's first orbit is 2.19xx10^(6) m s^(-1) , calculate the de Broglie wavelength associated with it.

Calculate the (a) momentum and (b) de-Broglie wavelength of the electrons accelerated through a potential difference of 56V. Given, h=6.63xx10^(-34)Js, m_(e)=9.1xx10^(-31)kg, e=1.6xx10^(-19)C .

What is the wavelength of light . Given energy =3.03xx10^(-19)J, h=6.6xx10^(-34)JS, c=3.0xx10^(8)m//s ?

Calculate the wavelength of an electron that has been accelerated in a particle accelerator through a potentiation difference of 100 million volts [ 1eV = 1.6 xx 10^(-19)J, m_(e) = 9.1 xx 10^(-31) kg, h = 6.6 xx 10^(-34) J s, c = 3.0 xx 10^(8) m s^(-1)]

An electron of mass 9.1xx10^(-31) kg and charge 1.6xx10^(-19) C is accelarted through a potential difference of V volt. The de Broglie wavelength (lambda) associated with the electron is

Calculate the wavelength of an electron that has been accelerated in a particle acceleratior through a potential difference of 100 million volts. (1 eV = 1.6 xx 10^(-19)C, m_e = 9.1 xx 10^(-31) kg, h = 6.6 xx 10^(-34) Js) .

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 1 (H.W)
  1. A metal of work function 4eV is cexposed to a radiation of wavelegth 1...

    Text Solution

    |

  2. Threshold wavelength for a metal having work function w(0) is lambda. ...

    Text Solution

    |

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

    Text Solution

    |

  4. The threshold wavelength for photoelectric emission from a material ...

    Text Solution

    |

  5. An AIR station is broadcasting the waves of wavelength 300 metres. If ...

    Text Solution

    |

  6. The energy of a photon is E = hv and the momentum of photon p = (h)/(l...

    Text Solution

    |

  7. The approximate wavelength of a photon of energy 2.48 eV is

    Text Solution

    |

  8. An important spetral emission line has a wavelength of 21 cm. The corr...

    Text Solution

    |

  9. A particle having a de Broglie wavelength of 1.0 A^(0) is associated w...

    Text Solution

    |

  10. The de - Broglie wavelength of an electron having 80 ev of energy is n...

    Text Solution

    |

  11. Electrons are accelerated through a p.d. Of 150V. Given m=9.1xx10^(-31...

    Text Solution

    |

  12. If accelerating potential of an alpha particle is doubled than its new...

    Text Solution

    |

  13. The ratio of the deBroglie wavelengths of proton, deuteron and alpha p...

    Text Solution

    |

  14. The energy that should be added to an electron, to reduce its de-Brogl...

    Text Solution

    |

  15. The de - Broglie wavelength of an electron having 80 ev of energy is n...

    Text Solution

    |

  16. If particles are moving with same velocity , then maximum de - Broglie...

    Text Solution

    |

  17. The wavelength of most energetic X-rays emitted when a metal target is...

    Text Solution

    |

  18. X - rays which can penetrate through longer distances in substance are...

    Text Solution

    |

  19. An X - ray machine has an accelerating potential difference of 25,000 ...

    Text Solution

    |

  20. Four the production of X-rays of wavelength 0.1 Å the minimum potentia...

    Text Solution

    |