Home
Class 12
PHYSICS
A comet is moving around the earth in.hi...

A comet is moving around the earth in.highly elliptical orbit. Identify the incorrect statement

A

Its K.E. and P.E. both change over the orbit.

B

Its T.E. changes over the orbit

C

Its linear momentum changes in magnitude as well as in direction over the orbit.

D

Its angular momentum remains constant over the orbit

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • 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 satellite is revolving round the earth in an elliptical orbit :

Under the influence of the Coulomb field of charge +Q , a charge -q is moving around it in an elliptical orbit. Find out the correct statement(s).

A satellite is revolving round the earth in an elliptical orbit. Its speed will be

A satellite revolves around the earth in an elliptical orbit. Its speed is

A comet is revolving around the sun in an elliptical orbit. Which of the following will remain constant throughout its orbit?

A comet is going around the sun in an elliptical orbit with a period of 64 year. The closest approach of the comet to the sun is 0.8 AU [AU = astronomical unit]. Calculate the greatest distance of the comet form the sun.

Haley’s Comet is going around the Sun in a highly elliptical orbit with a period of 76 y. It was closest to the sun in the year 1987 (I was 13 year old then and heard a lot about it n radio). In which year of 21^(st) century do you expect it to have least kinetic energy?

TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
  1. A spherical shell is cut into two pieces along a chord as shown in the...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. Suppose universal gravitational constant starts to decrease, then

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. Two particles are projected from the surface of the earth with velocit...

    Text Solution

    |

  18. A triple star system consists of two stars each of mass m in the same ...

    Text Solution

    |

  19. Consider a hypothetical planet which is very long and cylinderical. Th...

    Text Solution

    |

  20. If a satellite is travelling in the same direction as the rotation of ...

    Text Solution

    |