Home
Class 12
PHYSICS
The earth revolves about the sun in an e...

The earth revolves about the sun in an elliptical orbit with mean radius `9.3xx10^(7) m` in a period of 1 year. Assuming that there are no outside influences

A

the earth's kinetic energy remains constant

B

the earth's angular momentum remains constant

C

the earth's potential energy remains

D

all the statements above are correct.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|78 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|109 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

A planet revolves about the sun in an elliptical orbit of semi-major axis 2xx10^(12) m . The areal velocity of the planet when it is nearest to the sun is 4.4xx10^(16) m//s . The least distance between the planet and the sun is 1.8xx10^(12) m//s . The minimum speed of the planet in km//s is 10 K . determine the value of K .

Ataking the earth revolves round the sun in a circular orbit of 15xx10^(10) m, with a time period of 1 yr, the time taken by another planet, which is at distance of 540xx10^(10) m to revolve round the sun in circular orbit once, will be

The earth revolves around the sun in an orbit of radius 15xx10^(10) m .Find the angular and linear velocity of the earth . Also calculate the angle through which the earth revolves in a day .

The earth revolves around the sun in an elliptical orbit. It has a speed v_(1) when it is at the minimum distance d_(1) from the sun. When it is at the maximum distance d_(2) from the sun, its speed is

A communication satellite of mass 500kg revolves around the earth in a circular orbit of radius 4.0xx10^(7)m in the equatorial plane of the earth in the direction from west to east. The magnitude of angular momentum of the satellite is

A planet revolves about the sun in elliptical orbit. The arial velocity ((dA)/(dt)) of the planet is 4.0xx10^(16) m^(2)//s . The least distance between planet and the sun is 2xx10^(12) m . Then the maximum speed of the planet in km//s is -

The moon revolves around the earth in a circular orbit of radius - 3.84xx10^5 km with velocity 1 km/s. The additional velocity required to escape from influencing earth satellite is

The earth of mass 6xx10^(24)kg revolves round the sun with angular velocity 3xx10^(-7)"rad/s" in a circular orbit of radius 1.5xx10^(8)km. Then the force exerted by the sun on the earth in newtons, is

If a planet of mass m is revolving around the sun in a circular orbit of radius r with time period, T then mass of the sun is

Consider Earth and Sun isolated system. Earth moves around Sun in elliptical orbit.Now if the length of major axis for elliptical orbit is assumed to be half it's present value and consider also the masses of both Sun and Earth to be half of present value then the number of days in a year would be

TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
  1. The earth revolves about the sun in an elliptical orbit with mean radi...

    Text Solution

    |

  2. Two masses m(1) and m(2)(m(1)ltm(2)) are released from rest finite dis...

    Text Solution

    |

  3. The mass of the earth is 81 times the mass of the Moon and the distanc...

    Text Solution

    |

  4. A mass M is broken into two parts of masses m(1) and m(2). How are m(1...

    Text Solution

    |

  5. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  6. A spherical shell is cut into two pieces along a chord as shown in the...

    Text Solution

    |

  7. Some aliens living beneath the surface of the earth want to send a par...

    Text Solution

    |

  8. Distance between the centres of two stars is 10alpha. The masses of th...

    Text Solution

    |

  9. For many planets revolving around the stationary sun in circular orbit...

    Text Solution

    |

  10. Let omega be the angular velocity of the earth's rotation about its ax...

    Text Solution

    |

  11. Suppose universal gravitational constant starts to decrease, then

    Text Solution

    |

  12. A satellite of mass m is orbiting the earth in a circular orbit of rad...

    Text Solution

    |

  13. Two equal masses each in are hung from a balance whose scale pans diff...

    Text Solution

    |

  14. A tunnel is dug along a chord of the earth at a perpendicular distance...

    Text Solution

    |

  15. A particle of mass m is subjected to an attractive central force of ma...

    Text Solution

    |

  16. The percentage change in the acceleration of the earth towards the Sun...

    Text Solution

    |

  17. The escape velocity for a body projected vertically upwards from the s...

    Text Solution

    |

  18. For a particle projected in a transverse direction from a height h abo...

    Text Solution

    |

  19. A particle is dropped on Earth from height R (radius of earth) and it ...

    Text Solution

    |

  20. A uniform spherical planet · (Radius R) has acceleration due to gravit...

    Text Solution

    |

  21. A comet is moving around the earth in.highly elliptical orbit. Identif...

    Text Solution

    |