Home
Class 12
PHYSICS
The gravitational field intensity at a p...

The gravitational field intensity at a point 10,000 km from the centre of the earth is `4.8 N kg^(-1)`. The gravitational potential at that point is

A

4.8 `xx` `10^6` J `Kg^-1`

B

3.6 `xx` `10^6` J `Kg^-1`

C

`-4.8 xx `10^7` J `Kg^-1`

D

`-2.4 xx `10^7` J `Kg^-1`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 4

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|89 Videos
  • TEST2

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|2 Videos

Similar Questions

Explore conceptually related problems

The gravitational field intensity at a point 10,000km from the centre of the earth is 4.8Nkg^(-1) . The gravitational potential at that point is

The intensity of gravitational field at a point situated at a distance of 8000km form the centre of the earth is 6N//kg . The gravitational potential at that point is -(in joule /kg)

The gravitational potential energy of a body at a distance r from the center of the earth is U. The force at that point is :

The gravitational field in a region is given by vec(E) = (4hat(i) + 3hat(j)) N//Kg . The gravitational potential at the points (3m, 0) and (0, 4m). If the potential at the origin is taken to be zero.

Assertion : If gravitational potential at some point is zero, then gravitational field strength at that point will also be zero. Reason : Except at infinity gravitational potential due to a system of point masses at some finite distance can't be zero.

If gravitational field Intensity is E at distance R/2 outside from then surface of a thin shell of radius R , the gravitational field intensity at distance R/2 from its centre is

Two particles of masses 'm' and '9m' are separated by a distance 'r'. At a point on the line joining them the gravitational field is zero. The gravitational potential at that point is (G = Universal constant of gravitation)

A uniform solid of valume mass density rho and radius R is shown in figure. (a) Find the gravitational field at a point P inside the sphere at a distance r from the centre of the sphere. Represent the gravitational field vector vec(l) in terms of radius vector vec(r ) of point P. (b) Now a spherical cavity is made inside the solid sphere in such a way that the point P comes inside the cavity. The centre is at a distance a from the centre of solid sphere and point P is a distance of b from the centre of the cavity. Find the gravitational field vec(E ) at point P in vector formulationand interpret the result.

Two heavy sphere each of mass 100 kg and radius 0.10 m are placed 1.0 m apart on a horizontal table. What is the gravitational field and potential at the mid point of the line joining the centres of the sphere? Is an object placed at that point in equilibrium? If so, is the equilbrium stable or unstable.

The gravitational potential energy at a body of mass m at a distance r from the centre of the earth is U. What is the weight of the body at this distance ?

AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
  1. When a drop of water splits up into number of droplets, then which of ...

    Text Solution

    |

  2. Eight drops of equal radius are falling with terminal speed 9 cm/s. If...

    Text Solution

    |

  3. A solid sphere falls with a terminal velocity v in air .If it is allow...

    Text Solution

    |

  4. If liquid of density rho is filled in an open cylindrical container t...

    Text Solution

    |

  5. Which of the following device is used to measure the rate of liquid th...

    Text Solution

    |

  6. The cylindrical tube of a spray pump has a cross-section of 6 cm^2 one...

    Text Solution

    |

  7. To what height should a cyclindrical vessel be filled with a homogeneo...

    Text Solution

    |

  8. A steel wire of length 2L and cross-section area A is stretched, wetl ...

    Text Solution

    |

  9. For a given material, the Young's modulus is 2.4 times that of the m...

    Text Solution

    |

  10. wire of length I has a ear mass density lambda and area of cross-secti...

    Text Solution

    |

  11.  The bulk modulus of water if its volume changes fromm 100 litre to 9...

    Text Solution

    |

  12. If the ratio of diameter, lengths and Young's moduli of steel and bras...

    Text Solution

    |

  13. The gravitational field intensity at a point 10,000 km from the centre...

    Text Solution

    |

  14. For a satellite moving in a circular orbit around the earth, the ratio...

    Text Solution

    |

  15. A rocket is fired with a speed v = 2sqrt (gR) near the earth's surface...

    Text Solution

    |

  16. Object feel weightlessness at equator of earth when angular speed beco...

    Text Solution

    |

  17. A projectile is projected with velocity 2/3ve vertically upward direct...

    Text Solution

    |

  18. If earth is revolving in elliptical orbit around sun, then which of th...

    Text Solution

    |

  19. Two bodies of masses m and 4m are placed at a distance r. The gravitat...

    Text Solution

    |

  20. The density of newly discovered planet is twice that of the earth. The...

    Text Solution

    |