Home
Class 11
PHYSICS
A planet of mass m is the elliptical orb...

A planet of mass `m` is the elliptical orbit about the sun `(mlt ltM_("sun"))` with an orbital period `T`. If `A` be the area of orbit, then its angular momentum would be:

A

`(2mA)/T`

B

`mAT`

C

`(mA)/(2T)`

D

`2mAT`

Text Solution

Verified by Experts

The correct Answer is:
A
`(dA)/(dt)=L/(2m)`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL-II (H.W)|32 Videos

  • GRAVITATION

    NARAYNA|Exercise LEVEL-V|54 Videos

  • GRAVITATION

    NARAYNA|Exercise NCERT BASED QUESTIONS|26 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

A planet of mass m is moving around the sun in an elliptical orbit of semi-major axis a :

A planet of mass m is moving in an elliptical orbit about the sun (mass of sun = M). The maximum and minimum distances of the planet from the sun are r_(1) and r_(2) respectively. The period of revolution of the planet wil be proportional to :

The areal velocity of a planet of mass m moving in elliptical orbit around the sun with an angular momentum of L units is equal to

A planet of mass m is moving in an elliptical orbit around the sun of mass M . The semi major axis of its orbit is a, eccentricity is e . Find total energy of planet interms of given parameters.

A planet revolves in elliptical orbit around the sun. (see figure). The linear speed of the planet will be maximum at

A planet of mass M is revolving round the sun in an elliptical orbit. If its angular momentum is J then the area swept per second by the line joining planet to sun will be :-

A planet of mass m revolves in elliptical orbit around the sun of mass M so that its maximum and minimum distance from the sun equal to r_(a) and r_(p) respectively. Find the angular momentum of this planet relative to the sun.

NARAYNA-GRAVITATION-LEVEL -I(H.W)
  1. The period of revolution of a planet around the sun in a circular orbi...

    Text Solution

    |

  2. A planet moves around the sun in an elliptical orbit. When earth is cl...

    Text Solution

    |

  3. A planet of mass m is the elliptical orbit about the sun (mlt ltM("sun...

    Text Solution

    |

  4. The gravitational force between two particles of masses m(1) and m(2) ...

    Text Solution

    |

  5. The mass of a ball is four times the mass of another ball. When these ...

    Text Solution

    |

  6. Gravitational force between two point masses m and M separated by a di...

    Text Solution

    |

  7. Three uniform spheres each of mass m and diameter D are kept in such a...

    Text Solution

    |

  8. A 3kg mass and 4kg mass are placed on X and Y axes at a distance of 1 ...

    Text Solution

    |

  9. The height at which the value of g is half that on the surface of the ...

    Text Solution

    |

  10. The depth at which the value of g becomes 25% of that at the surface o...

    Text Solution

    |

  11. If the radius of the earth decreases by 10%, the mass remaining unchan...

    Text Solution

    |

  12. The acceleration due to gravity at the poles is 10ms^(-2) and equitori...

    Text Solution

    |

  13. The maximum horizontal range of projectile on the earth is R. Then for...

    Text Solution

    |

  14. A particle hanging from a massless spring stretches it by 2 cm at the ...

    Text Solution

    |

  15. The value of acceleration due to gravity 'g' on the surface of a plane...

    Text Solution

    |

  16. If g is acceleration due to gravity on the surface of the earth, havin...

    Text Solution

    |

  17. There are two bodies of masses 100 kg and 1000 kg separated by a dista...

    Text Solution

    |

  18. Masses 4kg and 36 kg are 16 cm apart. The point where the gravitationa...

    Text Solution

    |

  19. Two particle of masses 4kg and 8kg are kept at x=-2m and x=4m respecti...

    Text Solution

    |

  20. Three particles each of mass m are kept at the vertices of an euilater...

    Text Solution

    |