Home
Class 12
PHYSICS
The density of a newly discovered planet...

The density of a newly discovered planet is twice that of earth. The acceleration due to gravity at surface of planet is half of the acceleration at surface of earth, if radius of the earth is R. The radius of planet would be

A

R/4

B

R/8

C

2R

D

4R

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The density of a newly discovered planet is twice that of earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R , the radius of the planet would be

The density of a newly discovered planet is twice that of the earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth be R, then radius of the planet would be

Acceleration due to gravity at surface of a planet is equal to that at surface of earth and density is 1.5 times that of earth. If radius is R. radius of planet is

A planet has twice the density of earth but the acceleration due to gravity on its surface is exactly the same as that on the surface of earth. Its radius in terms of earth's radius R will be

The ratio of acceleration due to gravity at a height 3R above earth 's surface to the acceleration due to gravity on the surface of the earth is (where R=radius of earth)

The acceleration due to gravity near the surface of a planet of radius R and density d is proportional to

The ratio of acceleration due to gravity at a height 3 R above earth's surface to the acceleration due to gravity on the surface of earth is (R = radius of earth)

AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. When a drop of water splits up into number of droplets, then which of ...

    Text Solution

    |

  2. Eight drops of equal radius are falling with terminal speed 9 cm/s. If...

    Text Solution

    |

  3. A solid sphere falls with a terminal velocity v in air, if it is allow...

    Text Solution

    |

  4. Which of the following device is used to measure the rate of flow of l...

    Text Solution

    |

  5. The cylindrical tube of a spray pump has a cross-section of 6 cm^2 one...

    Text Solution

    |

  6. To what height should a cylindrical vessel be filled with a homogenous...

    Text Solution

    |

  7. A steel wire of length 2L and cross-section area A is stretched, wetl ...

    Text Solution

    |

  8. For a given material, Young's modulus is 2.4 times that of rigidity mo...

    Text Solution

    |

  9. wire of length I has a ear mass density lambda and area of cross-secti...

    Text Solution

    |

  10. The bulk modulus of water if its volume changes from 100litres to 99.5...

    Text Solution

    |

  11. If the ratio of diameter, lengths and Young's modulus of steel and bra...

    Text Solution

    |

  12. The gravitational field intensity at a point 10 xx 10^3 km from the ...

    Text Solution

    |

  13. For a satellite moving in a circular orbit around the earth, the ratio...

    Text Solution

    |

  14. If a planet is revolving around sun in circular orbit with force F pro...

    Text Solution

    |

  15. A rocket is fired with a speed v = 2sqrt (gR) near the earth's surface...

    Text Solution

    |

  16. Object feel weightlessness at equator of earth when angular speed beco...

    Text Solution

    |

  17. A projectile is projected with velocity 2/3ve vertically upward direct...

    Text Solution

    |

  18. If earth is revolving in elliptical orbit around sun, then which of th...

    Text Solution

    |

  19. Two bodies of masses m and 4m are placed at a distance r. The gravitat...

    Text Solution

    |

  20. The density of a newly discovered planet is twice that of earth. The a...

    Text Solution

    |