Home
Class 12
PHYSICS
+q point charge is placed at the centre...

`+`q point charge is placed at the centre of a hemispherical surface. Amount of electrical flux crossing through th surface will be

A

`q//epsilon_0`

B

`q//2epsilon_0`

C

`q//3epsilon_0`

D

`2q//epsilon_0`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2018

    UNITED BOOK HOUSE|Exercise EXAMPLE|75 Videos

Similar Questions

Explore conceptually related problems

Select the correct answer out of the options given against each question and write in the box provided on rigth hand side bottom: + q point charge is placed at the centre of a hemispherical surface . Amount of electrical flux crossing through the surface will be

A charge q is placed at the centre of a cube. What is the electric flux passing through two opposite faces of the cube ?

A charge q is placed at the centre of a cube. What is the electric flux passing through the cube?

A charge q is placed at the centre of a cube of side l. What is the electric flux passing through each face of the cube?

A point charge +q is placed at the centre of a cube of side L. The electric flux emerging from the cube is

A point charge of 12muC is placed at the centre of a cube of side 1m. What will be the electric flux passing through each face of the cube?

Due to the presence of a charge at the centre of a sphere of radius 10 cm, the electric flux passing through the surface of the sphere is -6xx10^(3)N.m^(2).C^(-1) . (i) What is the magnitude of charge inside the sphere? (ii) If a concentric spherical Gaussian surface with a radius double that of that of the sphere is taken, what will be the amount of electric flux now passing through this surface?

Define surface density of electric charge

The length of one side of a cube is L. If a charge q is place at the centre of that cube, what will be the total flux through the cube

UNITED BOOK HOUSE-QUESTION PAPER 2019-EXAMPLE
  1. A straight conductor of length 0.5 m is placed in a magnetic field bar...

    Text Solution

    |

  2. An alpha-particle and a proton having same momentum ente into a region...

    Text Solution

    |

  3. +q point charge is placed at the centre of a hemispherical surface. A...

    Text Solution

    |

  4. In the circuit AB= 6Omega, BC=3Omega, CD=6Omega,DA=12Omega, G=10Omega ...

    Text Solution

    |

  5. Two point charges separated by a distance d apart each other with a re...

    Text Solution

    |

  6. The process in which the amplitude of the carrier wave is made proport...

    Text Solution

    |

  7. A biconvex lens behaves like a convergent in air but hehaves like a di...

    Text Solution

    |

  8. The equation of an A. C. Is io=3sin(omegat)+4cos(omega t) Then r,m,s v...

    Text Solution

    |

  9. Angle of dip 90^@N at-

    Text Solution

    |

  10. The energy of an electron revolving around the nucleus of H-atom is -...

    Text Solution

    |

  11. A wire is stretched by 1% but volume remains constant, then -

    Text Solution

    |

  12. The dimension of electric potential is

    Text Solution

    |

  13. At which temperature is a semiconductor completely transformed to an i...

    Text Solution

    |

  14. After what time will the direction of current in an electric supply li...

    Text Solution

    |

  15. Which physical quantity has the unit Wb/m^2? Is it a scalar or a vecot...

    Text Solution

    |

  16. Sunray, sodium light an head light of an automabile--which of these li...

    Text Solution

    |

  17. How is the direction of a magnective field barB at a point related to...

    Text Solution

    |

  18. A long straight wire of length of length l is moving within a uniform ...

    Text Solution

    |

  19. E.M.F. of electrical cell is 2 volt. A 10Omega resistance is joined at...

    Text Solution

    |

  20. A copper wire of length l metre in bent to from a circular loop[. If I...

    Text Solution

    |