Home
Class 12
PHYSICS
Two planets of radii in the ratio 2 : 3 ...

Two planets of radii in the ratio `2 : 3` are made from the materials of density in the ratio `3 : 2`. Then the ratio of acceleration due to gravity `g_(1)//g_(2)` at the surface of two planets will be

A

1

B

2.25

C

`(4)/(9)`

D

0.12

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FLUID MECHANICS

    DISHA|Exercise physics|28 Videos
  • HEAT TRANSFER AND NEWTONS LAW OF COOLING

    DISHA|Exercise physics|30 Videos

Similar Questions

Explore conceptually related problems

Two planets are of the same material but their radii are in the ratio 2:1 . Then ratio of accelerations due to gravity on those two planets is

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 ?

Two planets of radii r_1 and r_2 are made from the same material. The ratio of the acceleration of gravity g_1//g_2 at the surfaces of the planets is

Two planets have their volumes in the ratio 1:8 and their average densities are in the ratio 2:1.The ratio of acceleration due to gravity of first planet to second planet on their surfaces will be

If different planets have the same density but diferent radii then the acceleration due to gravity (g) on the surface of the planet will depend on its radius (R) as

The ratio of radii of two satellites is p and the ratio of their acceleration due to gravity is q. the ratio if their escape velocities will be :

The masses of two planets are in the ratio 1 : 2 . Their radii are in the ratio 1 : 2 . The acceleration due to gravity on the planets are in the ratio

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

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

DISHA-GRAVITATION-Physics
  1. In the above example the angular velocity of S(2) as actually observed...

    Text Solution

    |

  2. The moon revolves round the earth 13 times in one year. If the ratio o...

    Text Solution

    |

  3. Two planets of radii in the ratio 2 : 3 are made from the materials of...

    Text Solution

    |

  4. A satellite of mass m is revolving in a circular orbit of radius r. Th...

    Text Solution

    |

  5. A spaceship is launched into a circular orbit close to the earth's sur...

    Text Solution

    |

  6. The ratio of the radius of the earth to that of moon is 10. The ratio ...

    Text Solution

    |

  7. Acceleration due to gravity on a planet is 10 times the value on the e...

    Text Solution

    |

  8. The Jupiter’s period of revolution round the Sun is 12 times that of t...

    Text Solution

    |

  9. The mean distance of Mars from the sun in 1.524 times that of the Eart...

    Text Solution

    |

  10. The semi-major axes of the orbits of mercury and mars are respectively...

    Text Solution

    |

  11. If a graph is plotted between T^(2) and r^(3) for a planet, then its s...

    Text Solution

    |

  12. The masses and radii of the Earth and the Moon are M1, R1 and M2,R2 re...

    Text Solution

    |

  13. A satellite has to revolve round the earth in a circular orbit of radi...

    Text Solution

    |

  14. If the satellite is stopped suddenly in its orbit which is at a distna...

    Text Solution

    |

  15. A projectile is fired vertically upwards from the surface of the earth...

    Text Solution

    |

  16. A satellite is revolving in an orbit close to the earth’s surface. Tak...

    Text Solution

    |

  17. If the period of revolution of an artificial satellite just above the ...

    Text Solution

    |

  18. Two satellites A and B of equal mass move in the equatorial plane of t...

    Text Solution

    |

  19. Gas escapes from the surface of a planet because it acquires an escape...

    Text Solution

    |

  20. v(e) "and" v(p) denotes the escape velocity from the earth and anoth...

    Text Solution

    |