Home
Class 12
PHYSICS
A thin spherical shell of radius R is cu...

A thin spherical shell of radius R is cut into two equal halves and then each of its halves is charged to the same uniform surface charge density `sigma.` If F is the force exerted on each half to keep them at equilibrium, then F is proportional to

A

`(1)/(epsilon_(0))sigma^(2)R`

B

`(1)/(epsilon_(0))(sigma^(2))/(R)`

C

`(1)/(epsilon_(0))(sigma)/(R^(2))`

D

`(1)/(epsilon_(0))(sigma^(2))/(R^(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 5

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • JEE MOCK TEST 7

    NTA MOCK TESTS|Exercise PHYSICS - Subjective Numerical|5 Videos

Similar Questions

Explore conceptually related problems

A spring is cut into two equal halves. How is the spring constant of each half affected?

Repeat the question if sphere is a hollow non-conducting sphere of radius R and has uniform surface charge density sigma .

A uniform disc of radius R is charged with a uniform surface charge density sigma . Find the electric potential due to the charges on the disc at a point on its edge. [(sigmaR)/(piin_(0))]

An equiconvex lens of focal length 15 cm is cut into two equal halves in thickness. What is the focal length of each half ?

Two metallic spheres of radii R and 2 R are charged so that both of these have same surface charge density, sigma . If they are connected to each other with a conducting wire, in which direction will the charge flow and why ?

A spherical shell of radius R = 1.5 cm has a charge q = 20muC uniformly distributed over it. The force exerted by one half over the other half is

Consider a thin spherical shell of radius R consisting of uniform surface charge density sigma . The electric field at a point of distance x from its centre and outside the shell is

NTA MOCK TESTS-JEE MOCK TEST 6-PHYSICS
  1. A neutron travelling with a velocity v and kinetic energy E collides p...

    Text Solution

    |

  2. A lead bullet strikes a target with velocity of 480 m/s. if the bullet...

    Text Solution

    |

  3. Two beams of light having intensities I and 4I interfere to produce a ...

    Text Solution

    |

  4. A thin spherical shell of radius R is cut into two equal halves and th...

    Text Solution

    |

  5. A point source of light is placed at a distance h below the surface of...

    Text Solution

    |

  6. An ideal gas expands isothermally from volume V(1) to V(2) and is then...

    Text Solution

    |

  7. One end of a copper rod of uniform cross section and length 1.5 m is k...

    Text Solution

    |

  8. A coil having N turns is would tightly in the form of a spiral with in...

    Text Solution

    |

  9. A thin uniform disc (see figure) of mass M has outer radius 4R and in...

    Text Solution

    |

  10. Two uniformaly charged nonconducting spheres, each of radius R,are fix...

    Text Solution

    |

  11. The binding energy per nucleon of deuterium and helium nuclei are 1.1 ...

    Text Solution

    |

  12. A closed tube filled with water is rotating uniformly in a horizontal ...

    Text Solution

    |

  13. The velocity - time graph of a particle of mass 10 kg is shown in the ...

    Text Solution

    |

  14. The maximum and the minimum equivalent resistance obtained by combinin...

    Text Solution

    |

  15. A simple pendulum has time period T(1) The point of suspension is now ...

    Text Solution

    |

  16. What is the energy stored in the capacitor between terminals a and b o...

    Text Solution

    |

  17. A solid sphere made out of metal having a bulk modulus of 2xx10^(11)"M...

    Text Solution

    |

  18. The toy-top (initially at rest) shown in the figure, has a moment of ...

    Text Solution

    |

  19. An open pipe is suddenly closed at one end with the result that the fr...

    Text Solution

    |

  20. The figure below shown a block of mass 15 kg, kept on a rough inclined...

    Text Solution

    |