Home
Class 11
PHYSICS
Assertion: The earth is slowing down and...

Assertion: The earth is slowing down and as a result the moon is coming nearer to it.
Reason: The angular momentum of the earth moon system is not conserved.
Which one of the following statements is a correct staement?

A

Both assertion and reason are true and reason explains assertion correctly.

B

Both assertion and reason are true but reason does not explain assertion correctly.

C

Both assertion and reason are false.

D

Assertion is true but reason is false.

Text Solution

Verified by Experts

The correct Answer is:
C
The earth is not slowing down. The angular momentum of the earth moon system is conserved.
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (VERY SHORT ANSWER QUESTION)|43 Videos

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (SHORT ANSWER QUESTIONS)|28 Videos

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise EVALUATION TEXTBOOK QUESTION & ANSWERS (NUMERICAL PROBLEMS)|30 Videos

  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (V. Numerical problems).|166 Videos
PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (MULTIPLE CHOICE QUESTIONS)
  1. A planet moves around the Sun. It is closest to Sun at a distant d(1) ...

    Text Solution

    |

  2. Assertion: A planet is a heavenly body revolving around the sun. Reas...

    Text Solution

    |

  3. Assertion: The earth is slowing down and as a result the moon is comin...

    Text Solution

    |

  4. A man waves his arms, while walking. This is due:

    Text Solution

    |

  5. Two spheres of same size, one of mass 2 kg and another of mass 4 kg ar...

    Text Solution

    |

  6. Choose the odd man out from the following laws.

    Text Solution

    |

  7. The figure shows elliptical orbit of a planet M about the Sun S. The s...

    Text Solution

    |

  8. When the elevator is moving uniformly in the upward and then in downwa...

    Text Solution

    |

  9. The height at which the acceleration due to gravity becomes (g)/(9) (w...

    Text Solution

    |

  10. Two particles of equal mass m go round a circle of radius R under the ...

    Text Solution

    |

  11. A seconds pendulum is mounted in a rocket. Its period of oscillation d...

    Text Solution

    |

  12. Which of the following statements is an incorrect statement?

    Text Solution

    |

  13. Assertion: The time period of a pendulum on a satellite orbiting the ...

    Text Solution

    |

  14. There are two bodies of masses 1kg and 100 kg separated by a distance ...

    Text Solution

    |

  15. A wire of length l and mass m is bent in the form of a semicircle. The...

    Text Solution

    |

  16. Two stars of masses m(1)andm(2) are parts of a binary solar system. Th...

    Text Solution

    |

  17. A spherical planet has a mass M(p) and diameter D(p). A particle of ma...

    Text Solution

    |

  18. Draw graphs showing the variation of accleeration due to gravity with ...

    Text Solution

    |

  19. Two particles of mass m(1)andm(2), approach each other due to their mu...

    Text Solution

    |

  20. A planet is moving in an elliptical orbit around the Sun. If T, V, E a...

    Text Solution

    |