Home
Class 11
PHYSICS
The magnitude of potential energy per un...

The magnitude of potential energy per unit mass of the object at the surface of earth is `E`. Then escape velocity of the object is

A

`sqrt(2E)`

B

`4E^(2)`

C

`sqrt(E)`

D

`sqrt(E//2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL I(C.W.)|51 Videos

  • GRAVITATION

    NARAYNA|Exercise LEVEL II (C.W.)|38 Videos

  • GRAVITATION

    NARAYNA|Exercise EXERCISE -IV|40 Videos

  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

Define escape velocity of an object.

What is the escape velocity of the object, if.the magnitude of the potential energy per unit mass of the object at the surface of earth is E ?

" The potential energy of a body of mass "m" on the surface of earth is "

The escape velocity of a body from the surface of earth is

If upsilon_(e) is the escape velocity for earth when a projectile is fired from the surface of earth. Then, the escape velocity if the same projectile is fired from its centre is

The total mechanical energy of an object of mass m projected from surface of earth with escape speed is

If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of an object of mass m raised from surface of the earth to a height equal to radius R of the earth is - [M = mass of earth]

NARAYNA-GRAVITATION-C.U.Q
  1. A missile is launched with a velocity less than the escape velocity. T...

    Text Solution

    |

  2. The escape velocity of a body depeds upon mass as

    Text Solution

    |

  3. The magnitude of potential energy per unit mass of the object at the s...

    Text Solution

    |

  4. A space station is set up in space at a distance equal to the earth's ...

    Text Solution

    |

  5. The minimum number of geo-stationary satellites required to televise a...

    Text Solution

    |

  6. When a satellite going around the earth in a circular orbit of radius ...

    Text Solution

    |

  7. A satellite is orbiting at a certain height in a circular orbit. If th...

    Text Solution

    |

  8. A satellite is revolving round the earth in an elliptical orbit. Its s...

    Text Solution

    |

  9. An artificial satellite of the earth releases a packet. If air resista...

    Text Solution

    |

  10. A satellite is moving in a circular orbit round the earth. If any othe...

    Text Solution

    |

  11. A space-ship entering the earth's atmosphere is likely to catch fire. ...

    Text Solution

    |

  12. An astronaut orbiting the earth in a circular orbit 120km above the su...

    Text Solution

    |

  13. Following physical quantity is constant where a planet that revolves a...

    Text Solution

    |

  14. A satellite launching statian should be

    Text Solution

    |

  15. When a satellite in a circular orbit around the earth enters the atmos...

    Text Solution

    |

  16. The period of a satellite moving in a circular orbit near the surface ...

    Text Solution

    |

  17. Out of the following statements, the one which correctly describes a s...

    Text Solution

    |

  18. When an astronaut goes out of his space-ship into the space he will

    Text Solution

    |

  19. When the height of a satellite increases from the surface of the earth...

    Text Solution

    |

  20. A satellite S is moving in an elliptical orbit around the earth. The m...

    Text Solution

    |