Home
Class 12
PHYSICS
A particle has a mass 400 times than tha...

A particle has a mass `400` times than that of the elctron and charge is double than that of aelectron. It is accelerated by `5 V` of potential difference. Initially the particle was at rest, then its final kinetic energy will be

A

5 eV

B

10 eV

C

100 eV

D

2000 eV

Text Solution

Verified by Experts

The correct Answer is:
B

K=qV
K=2e x 5
=10 eV
Promotional Banner

Topper's Solved these Questions

  • MAJOR TEST 8

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos
  • NEET 2020 TEST 5

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m has momentum p. Its kinetic energy will be

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

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference difference of 1kV , its kinetic enegry will be

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV . Its kinetic energy will be

If an alpha particle and a proton are accelerated from rest by a potential difference of 1MeV, then the ratio of their kinetic energies will be

An electron is accelerated through a potential difference V. Write the expression for its final speed , if it was initially at rest.

An alpha particle (charge= +2e) is accelerated from rest through a potential difference of 500 volts. Its final kinetic energy is

NEET MAJOR TEST (COACHING)-MAJOR TEST 9-PHYSICS
  1. Two uniform rods of equal length but different masses are rigidly join...

    Text Solution

    |

  2. A beam of light strikes a surface at angle of incidence of 60^(@) and...

    Text Solution

    |

  3. 64 drops of water are combined to form one big drop. Surface energy of...

    Text Solution

    |

  4. In an inductor of inductance L=100mH, a current of I=10A is flowing. T...

    Text Solution

    |

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

    Text Solution

    |

  6. A 2 kg copper block is heated to 500^@C and then it is placed on a lar...

    Text Solution

    |

  7. Two ring of mass m and 2 m are connected with a massless spring and ca...

    Text Solution

    |

  8. Ratio between total intensity of magnetic field at equator to poles is

    Text Solution

    |

  9. Which is the corrective vision for shortsighted defect?

    Text Solution

    |

  10. In the circuit shown here, the readings of the ammeter and voltmeter a...

    Text Solution

    |

  11. At a given temperature, the pressure of an ideal gas of density rho is...

    Text Solution

    |

  12. When photons of energy hv fall on an aluminium plate (of work function...

    Text Solution

    |

  13. A beam contains 2 xx 10^(8) doubly charged positive ions per cubic cen...

    Text Solution

    |

  14. The temperature of ozone in a vessel, is raised by 1^(@)C at constant ...

    Text Solution

    |

  15. A body of mass 'm' is moving with constant speed v on a track shown in...

    Text Solution

    |

  16. underset1overset2int 3x^2dx=???

    Text Solution

    |

  17. Identify the operation performed by the circuit given below :-

    Text Solution

    |

  18. The fringe width in Young's double slit experiment on a screen which i...

    Text Solution

    |

  19. If an alternating current is given by i = a sin (omegat) + b cos (omeg...

    Text Solution

    |

  20. A particle is projected with speed 'u' at an angle 60^@ with horizonta...

    Text Solution

    |