Home
Class 11
CHEMISTRY
The kinetic energy of an electron accele...

The kinetic energy of an electron accelerated from rest through a potential difference of 5V will be

A

`5J`

B

`5erg`

C

`5eV`

D

`8 xx 10^(-10)eV`

Text Solution

Verified by Experts

The correct Answer is:
C

`(1)/(2)mv^(2) = ev, V^(2) = (2eV)/(m), V = sqrt((2eV)/(m))`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

At what temperature does the average translational kinetic energy of molecule in a gas become equal to kinetic energy of an electron accelerated from rest through a potential difference of 1 volt? (K=1.38xx10^(-23)J//k)

What is the de Broglie wavelength of an electron accelerated from rest through a potential difference of V volts?

What temperature does the average translational K.E. of a molecule is a gas becomes equal to K.E. of an electron accelerated from rest through potential difference of V volt? All symbols have their usual meaning.

At what temperature does the average translational K.E. of a molecule in a gas becomes equal to K.E. of an electron accelerated from rest through potential difference of V volt ? All symbols have their usual meaning.

Kinetic energy of an electron accelerated in a potential difference of 100 V is

Calculate the de Broglie wavelength of an electron that has been accelerated from rest through a potential differecne of 1kV.

An electron beam accelerated from rest through a potential difference of 5000 V in vacuum is allowed to impinge on a surface normally. The incident current is 50 muA and if the electrons come to rest on striking the surface the force on it is

NARAYNA-ATOMIC STRUCTURE-All Questions
  1. The uncertainity in the positions of an electron and proton is equal, ...

    Text Solution

    |

  2. A ball of mass 200 g is moving with a velocity of 10 m sec^(-1) . If ...

    Text Solution

    |

  3. The kinetic energy of an electron accelerated from rest through a pote...

    Text Solution

    |

  4. Which of the following conditions is incorrect for a well behaved wave...

    Text Solution

    |

  5. The spin magnetic momentum of electron in an ion is 4.84BM. Its total ...

    Text Solution

    |

  6. The maximum number of sub levels, orbitals and electrons in N shell of...

    Text Solution

    |

  7. in a multi- electron atom ,which of the following orbitals described ...

    Text Solution

    |

  8. The values of four quantum number of valence electron of an element ar...

    Text Solution

    |

  9. {:("Given",K,L,M,N,),(,2,8,11,2,):} The number of electrons present ...

    Text Solution

    |

  10. Sum of electronic spins of all electrons with the configuration 3d^(7)...

    Text Solution

    |

  11. Which one of the following pairs of ions have the same electronic conf...

    Text Solution

    |

  12. An impossible set of four quantum number of an electron is

    Text Solution

    |

  13. How many electrons are present in the M-shell of an atom of the elemen...

    Text Solution

    |

  14. The atomic numbers of elements X,Y,and Z are 19,21, and 23, respective...

    Text Solution

    |

  15. Which one of the following sets correctly represents the increase in t...

    Text Solution

    |

  16. Calculate the wavelength of photon having energy 5eV.

    Text Solution

    |

  17. The energy required to break one mole of Cl-Cl bonds in Cl2 is 242 kJ ...

    Text Solution

    |

  18. The time period of a light is 2.0 xx 10^(-10)s. The wavelength for thi...

    Text Solution

    |

  19. Neon gas emits at 616 nm. The distance travelled by this radiation in ...

    Text Solution

    |

  20. A quantum of light having energy E has wavelength equal to 7200 A^(@)....

    Text Solution

    |