Home
Class 12
PHYSICS
How much potential is to be applied to a...

How much potential is to be applied to accelerate an electron, so that its de-broglie wavelength should 0.4`Å`?

A

9434 V

B

94.34V

C

9.434 V

D

943.4 V

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PHOTOELECTRIC EFFECT AND MATTER WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQ|28 Videos
  • PHOTOELECTRIC EFFECT AND MATTER WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved numerical problems|42 Videos
  • PHOTOELECTRIC EFFECT AND MATTER WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQ|27 Videos
  • NUCLEAR PHYSICS AND RADIOACTIVITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise Concptual MCQs|48 Videos
  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos

Similar Questions

Explore conceptually related problems

The potential difference V required for accelerating an electron to have the de-Broglie wavelength of 1 Å is

de-Broglie wavelength applies only to

Through what potential difference should an electron be accelerated so that its de-Broglie wavelength becomes 0.4Å?

Through what potential difference should an electron be accelerated so that its de - Broglie wavelenght becomes 0.5 Å

Calculate the retarding potential to be applied to an eklectron to de Broglie wavelength from 1.73 Å to 2.25 Å ?

A potential difference of 15 KV is applied to accelerate the electron in an electron microscope. The de broglie wavelength of the electron waves is

An electron is accelerated through a potential difference of V volt. It has a wavelength lambda associated with it. Through what potential difference an electron must be accelerated so that its de Broglie wavelength is the same as that of a proton? Take massof proton to be 1837 times larger than the mass of electron

The energy that should be added to an electron to reduce its de-Broglie wavelength from 1 nm to 0.5 nm is

The energy that should be added to an electron to reduce its de - Broglie wavelength from one nm to 0.5 nm is

An electron beam can undergo defraction by crystals .Through what potential should a beam of electrons beb acceleration so that its wavelength becomkes equal to 1.54 Å

PHYSICS GALAXY - ASHISH ARORA-PHOTOELECTRIC EFFECT AND MATTER WAVES-Numerical MCQs
  1. The maximum velocity of photoelectronos emitted hy a photoemitter is 1...

    Text Solution

    |

  2. A proton with KE equal to that a photono (E = 100 keV). lambda(1) is t...

    Text Solution

    |

  3. How much potential is to be applied to accelerate an electron, so that...

    Text Solution

    |

  4. A metallic surface is irradiated with monochromatic light of variable ...

    Text Solution

    |

  5. Illuminating the surface of a certain metal alternately with light of ...

    Text Solution

    |

  6. The de-Broglie wavelength associated with a material particlewhen it i...

    Text Solution

    |

  7. An electrono of mass m, when accelerated through a potential differenc...

    Text Solution

    |

  8. In photoelectric experiment the plot between anode potential and photo...

    Text Solution

    |

  9. If the momentum of electron is changed by P(m) then the de-Broglie wa...

    Text Solution

    |

  10. Light described at a place by the equation E= (100 V(m^-1)) [sin (5 xx...

    Text Solution

    |

  11. A plate of mass 10g is in equilibrium in air due to the force exerted ...

    Text Solution

    |

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

    Text Solution

    |

  13. An electron of mass 'm', when accelerated through a potential V has de...

    Text Solution

    |

  14. An electron of mass 'm', when accelerated through a potential V has de...

    Text Solution

    |

  15. Find the numerical value fo De Broglie wavelength of an electron in th...

    Text Solution

    |

  16. An electron filled with helium is heated to a temperature of 400k. A b...

    Text Solution

    |

  17. If the short wavelength limit of the continous spectrum coming out of ...

    Text Solution

    |

  18. A particle of charge q(0) and of mass m(0) is projected along the y-ax...

    Text Solution

    |

  19. Electrons in a sample of gas containing hydrogen-like atom (Z = 3) are...

    Text Solution

    |

  20. Threshold frequency for a certain metal is v0. When light of frequency...

    Text Solution

    |