Home
Class 11
PHYSICS
Two planets have density in the ratio 2 ...

Two planets have density in the ratio 2 : 3 and radii in the ratio 1 : 2. The ratio of acceleration due to gravity at their surface is

A

`1:3`

B

`3:1`

C

`1:9`

D

`9:4`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos

Similar Questions

Explore conceptually related problems

The densities of two planets are in the ratio of 2 : 3 and their radii are in the ratio of 1 : 2. What is the ratio of acceleration due to gravity at their surfaces ?

The diameters of two planets are in the ratio 4 : 1 and their mean densities in the ratio 1 : 2. The acceleration due to gravity on the planets will be in ratio

The acceleration due to gravity on the surface of earth varies

Two wires have lengths in the ratio 1:4 and radii in the ratio 1: 2 . The resistivities of the materials of the wires are in the ratio 5: 1 . Compare their resistances.

The ratio between masses of two planets is 2:3 and ratio between their radii is 3:2. The ratio between acceleration due to gravity on these two planets is

Choose correct alternative. Two wires have their lengths in the ratio 5:3 and radii in the ratio 1: 2 . Ratio of their resistivity is 3: 4 . The ratio of resistance is

Two wires have lengths in the ratio 1 : 9 and diameters in the ratio 1: 3 . The resistivities of the materials of the wires are in the ratio 4:1 . Compare their resistances.

The bubbles have radii in the ratio 3:4 . The ratio of excess pressure inside them is

A body is taken to a height of nR from the surface of the earth . The ratio of acceleration due to gravity on the surface to that at the altitude is

Two soap bubbles have radii in the ratio of 4:3 . What is the ratio of work done to blow these bubbles ?

TARGET PUBLICATION-Gravitation-Exercise
  1. A mass M is broken into two parts of masses m1 and m2. How are m1 and ...

    Text Solution

    |

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

    Text Solution

    |

  3. A body is projected vertically upwards from the surface of a planet of...

    Text Solution

    |

  4. What should be the velocity of earth due to rotation about its own axi...

    Text Solution

    |

  5. For a satellite that orbits as close to the earth's surface as possibl...

    Text Solution

    |

  6. Let omega be the angular velocity of earth's rotation about the axis. ...

    Text Solution

    |

  7. Two planets have density in the ratio 2 : 3 and radii in the ratio 1 :...

    Text Solution

    |

  8. Two planets move around the Sun. The periodic times and the mean radii...

    Text Solution

    |

  9. If the value of the gravitational acceleration at the height h be 1% o...

    Text Solution

    |

  10. Two satellites are orbiting around the Earth in circular orbits of the...

    Text Solution

    |

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

    Text Solution

    |

  12. The percentage change in the acceleration of the Earth towards the Sun...

    Text Solution

    |

  13. The escape velocity for a body projected vertically upwards is 11.2 km...

    Text Solution

    |

  14. The orbital velocity of a body at height h above the surface of Earth ...

    Text Solution

    |

  15. Assuming the earth as a sphere of uniform density. the acceleration du...

    Text Solution

    |

  16. Mars has about ((1)/(10))^(th) as much mass as the Earth and half as a...

    Text Solution

    |

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

    Text Solution

    |

  18. Two particles are projected from the surface of the earth with velocit...

    Text Solution

    |

  19. Two identical solid copper spheres of radius R placed in contact with ...

    Text Solution

    |

  20. The time period of a satellite in a circular orbit of radius R is T. T...

    Text Solution

    |