Home
Class 12
PHYSICS
What will be the corresponding expressio...

What will be the corresponding expression for the energy needed to completely diassemble the planet earth against the gravitational pull amongst its constituent particles? Assume the earth to be a sphere of uniform mass density. calculate the energy, given that the product of the mass and the radius of the earth to be `2.5xx10^(31)kg-m`

Promotional Banner

Topper's Solved these Questions

  • ELECTRIC POTENTIAL

    MODERN PUBLICATION|Exercise EXERCISE|38 Videos

  • ELECTRIC FIELD

    MODERN PUBLICATION|Exercise EXERCISE|95 Videos

  • ELECTRICAL MEASUREMENTS

    MODERN PUBLICATION|Exercise EXERCISE|44 Videos

Similar Questions

Explore conceptually related problems

Find the mass of earth (Given the radius of earth R= 6.4 xx 10^6 m) .

Calculate the mass of the earth. Given radius of the earth =6.4xx10^-6 m and g = 9.8 m//s^2

How will you ‘weigh the sun’, that is estimate its mass? The mean orbital radius of the earth around the sun is 1.5 xx 10^8 km .

Assuming the earth to be a sphericl conductor of radius 6400 km, calculate its caacitance. Given 1/(4piepsilon_0) = 9 xx 10^9 Nm^2^-2

A point charge of 5 muC is situated at the centre of a sphere of radius 0.2 m. Calculate the electric flux through its surface. Given epsilon_0 = 8.854 xx 10^-12C^2N^-1m^-2

MODERN PUBLICATION-ELECTRIC POTENTIAL-EXERCISE
  1. What will be the corresponding expression for the energy needed to com...

    Text Solution

    |

  2. Find an expression for line integral of electric intensity.

    Text Solution

    |

  3. The work done in moving a positive charge on an equipotential surface ...

    Text Solution

    |

  4. Show that the work done in moving a unit charge along a closed path is...

    Text Solution

    |

  5. Derive an expression for electric potential at a point due to a point ...

    Text Solution

    |

  6. Define electric potential. What is the SI unit of potential? Obtain an...

    Text Solution

    |

  7. Define electric potential at a point. Derive an expression for the pot...

    Text Solution

    |

  8. Derive an expression for the electric potential at a point along the a...

    Text Solution

    |

  9. Derive an expression for electric field intensity at a distance r from...

    Text Solution

    |

  10. Deduce an expression for electric potential due to an electric dipole ...

    Text Solution

    |

  11. Deduce an expression for electric potential due to an electric dipole ...

    Text Solution

    |

  12. How is electric field at a point related to potential gradient?

    Text Solution

    |

  13. How is electric field at a point related to potential gradient?

    Text Solution

    |

  14. What is the shape of equipotential surfaces for a uniform electric fie...

    Text Solution

    |

  15. Draw the equipotential surfaces due to an electric dipole. Locate the ...

    Text Solution

    |

  16. Obtain an expression for potential energy of the configuration of thr...

    Text Solution

    |

  17. Depict the equipotential surfaces for a system of two identical positi...

    Text Solution

    |

  18. Deduce the expression for the potential energy of a system of two poin...

    Text Solution

    |

  19. Two uniformly large parallel thin plates having charge densities +sigm...

    Text Solution

    |

  20. Two point charges q1 and q2 are kept at a distance of r(12) in air. De...

    Text Solution

    |

  21. Derive an expression for potential at a point due to a group of point ...

    Text Solution

    |