Home
Class 12
PHYSICS
If the gravitational force were proporti...

If the gravitational force were proportional to `1/r`, then a particle in a circular orbit under such a force would have its original speed:

A

`prop1/(r^2)`

B

`prop1/r`

C

`prop1/(r^2)`

D

`prop^23`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|78 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|109 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

If the gravitational force were potential to 1/r , then a particle in a circular orbit under such a force would have its original speed:

The gravitational force between two objects is proportional to 1//R (and not as 1//R^(2) ) where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to

Suppose that the gravitational force between two bodies separated by a distance R becomes inversely proportional to R (and not as (1)/(R^(2)) as given by Newton's law of gravitation). Then the speed of a particle moving in a circular orbit of radius R under such a force would be proportional to

Consider an attractive force which is central but is inversely proportional to the first power of distance. If a particle is in circular orbit, under such a force , which of the following statements are correct ?

Suppose the force of gravitation is inversely proportional to the cube of the radius of circular orbit in which satellite is revolving then its time period is proportional to

Assertion: If gravitational force is proportional to (1)/(R^(3)) then Keplar's second law would not be affected Reason : For Keplar's second law, central nature of force is the only condition

The gravitational force between two particles separated by a distance r varies as ……………

TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
  1. If the gravitational force were proportional to 1/r, then a particle i...

    Text Solution

    |

  2. Two masses m(1) and m(2)(m(1)ltm(2)) are released from rest finite dis...

    Text Solution

    |

  3. The mass of the earth is 81 times the mass of the Moon and the distanc...

    Text Solution

    |

  4. A mass M is broken into two parts of masses m(1) and m(2). How are m(1...

    Text Solution

    |

  5. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  6. A spherical shell is cut into two pieces along a chord as shown in the...

    Text Solution

    |

  7. Some aliens living beneath the surface of the earth want to send a par...

    Text Solution

    |

  8. Distance between the centres of two stars is 10alpha. The masses of th...

    Text Solution

    |

  9. For many planets revolving around the stationary sun in circular orbit...

    Text Solution

    |

  10. Let omega be the angular velocity of the earth's rotation about its ax...

    Text Solution

    |

  11. Suppose universal gravitational constant starts to decrease, then

    Text Solution

    |

  12. A satellite of mass m is orbiting the earth in a circular orbit of rad...

    Text Solution

    |

  13. Two equal masses each in are hung from a balance whose scale pans diff...

    Text Solution

    |

  14. A tunnel is dug along a chord of the earth at a perpendicular distance...

    Text Solution

    |

  15. A particle of mass m is subjected to an attractive central force of ma...

    Text Solution

    |

  16. The percentage change in the acceleration of the earth towards the Sun...

    Text Solution

    |

  17. The escape velocity for a body projected vertically upwards from the s...

    Text Solution

    |

  18. For a particle projected in a transverse direction from a height h abo...

    Text Solution

    |

  19. A particle is dropped on Earth from height R (radius of earth) and it ...

    Text Solution

    |

  20. A uniform spherical planet · (Radius R) has acceleration due to gravit...

    Text Solution

    |

  21. A comet is moving around the earth in.highly elliptical orbit. Identif...

    Text Solution

    |