Home
Class 11
PHYSICS
The radii of two planets are respectivel...

The radii of two planets are respectively `R_(1) and R_(2)` and their densities are respectively `rho_(1) and rho_(2)`.The ratio of the accelerations due to gravity at their surface is

A

`(R_1rho_2)/(R_2rho_1)`

B

`(R_1rho_1)/(R_2rho_2)`

C

`(rho_1R_2^2)/(rho_2R_1^2)`

D

`(R_1R_2)/(rho_1rho_2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPERS

    NCERT FINGERTIPS|Exercise Practice Paper 2|50 Videos

  • PRACTICE PAPERS

    NCERT FINGERTIPS|Exercise Practice Paper 3|50 Videos

  • PHYSICAL WORLD

    NCERT FINGERTIPS|Exercise Assertion And Reason|10 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTIONS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

R and r are the radii of the earth and moon respectively. rho_(e) and rho_(m) are the densities of earth and moon respectively. The ratio of the accelerations due to gravity on the surfaces of earth and moon is

Two planets have radii r_(1) and 2r_(1) and densities are rho_(1) and 4rho_(1) respectively. The ratio of their acceleration due to gravities is

The radii of two planets are R and 2R respectively and their densities p and rho//2 respectively, What is the ratio of acceleration due to gravity at their surfaces ?

Two planets have radii r_(1) and r_(2) and densities d_(1) and d_(2) respectively. Then the ratio of acceleration due to gravity on them is

If two planets of radii R_(1) and R_(2) have densities d_(1) and d_(2) , then the ratio of their respective acceleration due to gravity is

The radii of two planets are R_1 and R_2 ans their densities are rho_1 and rho_2 respectively. If g_1 and g_2 represent surfaces , then g_1/g_2 is

Suppose there are two planets, 1 and 2, having the same density but their radii are R_(1) and R_(2) respectively, where R_(1) gt R_(2). The accelerations due to gravity on the surface of these planets are related as

NCERT FINGERTIPS-PRACTICE PAPERS-Practice Paper 3
  1. The radii of two planets are respectively R(1) and R(2) and their dens...

    Text Solution

    |

  2. A spherical soap bubble of radius 1 cm is formed inside another of rad...

    Text Solution

    |

  3. A spherical metal ball of mass m and radius (r ) is falling through a ...

    Text Solution

    |

  4. A vessel contains a mixtrue consisting of m(1) = 7g of nitrogen M(1) =...

    Text Solution

    |

  5. Two thermally insulated vessel 1 and 2 are filled with air at temperat...

    Text Solution

    |

  6. A steel metre scale is to be ruled so that the millimetre intervals ar...

    Text Solution

    |

  7. What is the relationship between time of flight T and horizontal range...

    Text Solution

    |

  8. The disc of a siren revolves 600 times in one minute and it is in unis...

    Text Solution

    |

  9. Which of the following is dimensionless?

    Text Solution

    |

  10. Given vecF=(4hati-10hatj)and vecr=(5hati-3hatj). then torque vectau is

    Text Solution

    |

  11. A man throws balls with the same speed vertically upwards one after th...

    Text Solution

    |

  12. In uniform circular motion

    Text Solution

    |

  13. A ball is rolled off along the edge of the table (horizontal ) with ve...

    Text Solution

    |

  14. Three masses of 1kg, 6 kg and 3 kg are connected to each other with th...

    Text Solution

    |

  15. A liquid of density rho flows along a horizontal pipe of uniform cross...

    Text Solution

    |

  16. A chain of uniform mass m and length L is held on a frictionless table...

    Text Solution

    |

  17. For the same total mass, which of the following will have the largest ...

    Text Solution

    |

  18. Kepler's second law is based on

    Text Solution

    |

  19. A spaceship is launched into a circular orbit close to the Earth's sur...

    Text Solution

    |

  20. A hole is drilled in a copper sheet. The diameter of the hole is 4.24 ...

    Text Solution

    |

  21. Two blocks M1 and M2 having equal masses are to move on a horizontal f...

    Text Solution

    |