Home
Class 12
PHYSICS
The kinetic energy of an electron,which ...

The kinetic energy of an electron,which is accelerated to the potential difference of 100 V,is

A

`1.6 xx 10^(-17) J`

B

`a.6 xx 10^4 J`

C

`415.6 cal`

D

6.636 cal

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • UNIT TEST-05

    MODERN PUBLICATION|Exercise EXERCISE|69 Videos

Similar Questions

Explore conceptually related problems

An electron is accelerated through a potential difference of 1000 V. What is its KE in MeV?

A prot is about 1,840 time heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be

What is the de-Broglie wavelength of an electron beam accelerated through a potential difference of 25 V?

What is de -Brogile wavelength of an eectron beam accelerated through a potential difference of 36 V?

When an electron is acceleratd with 1V potential difference then its kinetic energy is:

Find the de Brogile wavelength associated with an electron accelerated under a potential difference of 100 V.

MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. A photocell employs photoelectric effect to convert

    Text Solution

    |

  2. A particle of mass 1 mg has the same wavelength as an electron moving ...

    Text Solution

    |

  3. The kinetic energy of an electron,which is accelerated to the potentia...

    Text Solution

    |

  4. The mass of an electron is m, charge is e and it is accelerated form r...

    Text Solution

    |

  5. The minimum wavelength of the X-rays produced by elecrons accelerated ...

    Text Solution

    |

  6. The de-Broglie wave corresponding to a particle of mass m and velocity...

    Text Solution

    |

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

    Text Solution

    |

  8. If we consider electrons and photons of same wave length, then they w...

    Text Solution

    |

  9. The momentum of a photon of energy 1 M eV(in kg m s^(-1)) will be

    Text Solution

    |

  10. An electron of mass m,when accelerated through a potensital difference...

    Text Solution

    |

  11. An electron beam has a kinetic energuy equal to 100 eV.Find the waveln...

    Text Solution

    |

  12. Electron volt is a unit of

    Text Solution

    |

  13. The energy of a photon of light of waveelngth 5,000 overset@A is appro...

    Text Solution

    |

  14. Particle nature and wave nature of electromagnetic waves and electrons...

    Text Solution

    |

  15. A strong argument for the particle nature of cathode rays is that they

    Text Solution

    |

  16. The wavelength of a photon is proportional to (where v = frequency)

    Text Solution

    |

  17. In photoelecrtric effect ,the electrons are ejected from metals,if the...

    Text Solution

    |

  18. The stopping potential doubles,when the frequency of the incident ligh...

    Text Solution

    |

  19. The photoelectrons emitted from a given cathode on the incidence of a ...

    Text Solution

    |

  20. the speed of an electron having a wavelenth of 10^(-10) m is

    Text Solution

    |