Home
Class 11
PHYSICS
Two identical spheres each of radius R a...

Two identical spheres each of radius `R` are placed with their centres at a distance `nR`, where `n` is integer greater than `2`. The gravitational force between them will be proportional to

A

`1//R^(4)`

B

`1//R^(2)`

C

`R^(2)`

D

`R^(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`F=(Gm_(1)m_(2))/(R^(2))`, Here `m=4/3pi R^(3)`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise EXERCISE -I (H.W.)|56 Videos

  • GRAVITATION

    NARAYNA|Exercise EXERCISE -II (C.W.)|38 Videos

  • GRAVITATION

    NARAYNA|Exercise EVALUATE YOURSELF-5|10 Videos

  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

If distance between the two bodies is doubled.then the gravitational force between them will become

On doubling the distance between two masses the gravitational force between them will

Two metal spheres each of radius r are kept in contact with each other. If d is the density of the material of the sphere,then the gravitational force between those spheres is proportional to

Two spheres, each of mass 625 kg, are placed with their centres 50 cm apart. The gravitational force between them is

Two metallic spehres each of mass M and radius R charged separately to Q_(1) and Q_(2) are at a distance d between their centres (d gt2R) The force between them will be

A small coil of radius r is placed at the centre of a large coil of radius R , where R gtgt r . The two coils are coplanar. The mutual inductance between the coils is proportional to

Two identical solid copper spheres of radius R placed in contact with each other. The gravitational attracton between them is proportional to

Spheres of the same metarial and same radius r are touching each other. Show that grevitational force between them is directly proportional to r^(4) .

Two identical spheres each of mass M and radius R are separated by a distance 3R. The force of attraction between them is proportional to

NARAYNA-GRAVITATION-EXERCISE -I (C.W.)
  1. Two sphere of masses m and M are situated in air and the gravitational...

    Text Solution

    |

  2. The gravitational force between two bodies is 6.67xx10^(-7) N when the...

    Text Solution

    |

  3. Two identical spheres each of radius R are placed with their centres a...

    Text Solution

    |

  4. A satellite is orbiting around the earth. If both gravitational force ...

    Text Solution

    |

  5. Mass M=1 unit is divided into two parts X and (1-X). For a given separ...

    Text Solution

    |

  6. If g on the surface of the earth is 9.8m//s^(2), its value at a height...

    Text Solution

    |

  7. If g on the surface of the earth is 9.8ms^(-2), its value of a depth o...

    Text Solution

    |

  8. If mass of the planet is 10% less than that of the earth and radius of...

    Text Solution

    |

  9. The angular velocity of the earth with which it has to rotate so that ...

    Text Solution

    |

  10. Assume that the acceleration due to gravity on the surface of the moon...

    Text Solution

    |

  11. The value of acceleration due to gravity at the surface of earth

    Text Solution

    |

  12. The point at which the gravitational force acting on any mass is zero ...

    Text Solution

    |

  13. Masses 2kg and 8kg are 18cm apart. The point where the gravitational f...

    Text Solution

    |

  14. Particles of masses m(1) and m(2) are at a fixed distance apart. If th...

    Text Solution

    |

  15. The PE of three objects of masses 1kg,2kg and 3kg placed at the three ...

    Text Solution

    |

  16. A small body is initially at a distance r from the centre of earth. r ...

    Text Solution

    |

  17. A body of mass 'm' is raised from the surface fo the earth to a height...

    Text Solution

    |

  18. A person brings a mass 2kg from A to B. The increase in kinetic energy...

    Text Solution

    |

  19. The work done liftting a particle of mass 'm' from the centre of the e...

    Text Solution

    |

  20. The figure shows two shells of masses m(1) and m(2). The shells are co...

    Text Solution

    |