Home
Class 12
PHYSICS
An alpha- particle is accelerated throug...

An `alpha-` particle is accelerated through a potential difference of `200 V`. The increase in its kinetic energy is

A

`100 ev`

B

`200 eV`

C

`400 eV`

D

`800 eV`

Text Solution

Verified by Experts

The correct Answer is:
C

`KE = QV rArr KE = (2e) 200V = 400eV`
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC POTENTIAL & CAPACITANCE

    A2Z|Exercise Capacitor|32 Videos
  • ELECTRIC POTENTIAL & CAPACITANCE

    A2Z|Exercise Capacitor With Dielectric|32 Videos
  • ELECTRIC POTENTIAL & CAPACITANCE

    A2Z|Exercise Electric Potential Energy|22 Videos
  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Section D - Chapter End Test|29 Videos
  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

An alpha- particle is accelerated through a potential difference of 25,000 V . What will be the increase in its energy in joule ?

An alpha particle is accelerated from rest through a potential difference of 100 volt. Its final kinetic energy is

An alpha - particle is accelerated through a potential difference of 100 V. Its de-Broglie's wavelength is

An alpha particle is acceleration through a potential difference of 10^(6) volt. Its kinetic energy will be

A proton and and alpha - particle are accelerated through a potential difference of 100 V . The ratio of the wavelength with the proton to that associated to that associated with an alpha - particle is

Mass of the proton is 1840 times that of electron. It is accelerated through a potential difference of 1 V. Find its kinetic energy.

An electron and a proton move through a potential difference of 200V. Then

A2Z-ELECTRIC POTENTIAL & CAPACITANCE-Euipotentials
  1. A proton is accelerated through 50,000 V. Its energy will increase by

    Text Solution

    |

  2. When a proton is accelerated through 1 V, then its kinetic energy will...

    Text Solution

    |

  3. Two positive point charges of 12 mu C and 8 mu C are 10 cm apart. The ...

    Text Solution

    |

  4. The displacement of a chrage Q in the electric field E = e(1)hati + ...

    Text Solution

    |

  5. An electron of mass m and charge e is accelerated from rest through a ...

    Text Solution

    |

  6. In the rectangle, shown below, the two corners have charges q(1) = - 5...

    Text Solution

    |

  7. A charge (-q) and another charge (Q) are kept at two points A and B re...

    Text Solution

    |

  8. A particle of mass 'm' and charge 'q' is accelerated through a potenti...

    Text Solution

    |

  9. A ball of mass 1g and charge 10^(-8) C moves from a point A. Where pot...

    Text Solution

    |

  10. The work done in bringing a 20 coulomb charge from point A to point B ...

    Text Solution

    |

  11. If 4 xx 10^(20)eV energy is required to move a charge of 0.25 coulomb ...

    Text Solution

    |

  12. Kinetic energy of an electron accelerated in a potential difference of...

    Text Solution

    |

  13. An alpha- particle is accelerated through a potential difference of 20...

    Text Solution

    |

  14. A particle has a mass 400 times than that of the elctron and charge is...

    Text Solution

    |

  15. An electron (charge = 1.6 xx 10^(-19) coulomb) is accelerated through ...

    Text Solution

    |

  16. The charge given to a hollow sphere of radius 10 cm is 3.2 xx 10^(-19)...

    Text Solution

    |

  17. Work done in moving a positive charge on an equipotential surafce is

    Text Solution

    |

  18. There are two equipotential surafce as shown in figure. The distance b...

    Text Solution

    |

  19. The work done in carrying a charge of 5 mu C form a point A to a point...

    Text Solution

    |

  20. If an electron moves from rest from a point at which potential is 50 v...

    Text Solution

    |