Home
Class 11
PHYSICS
Assertion. A body weighs X newton on the...

Assertion. A body weighs X newton on the surface of the earth. Its weight at a height equal to half the radius of the earth will be `(2X)/5` Reason: `g^'=g(r^2/(R+h)^2`

A

Assertion is True, Reason is True, Reason is a correct explanation for Assertion

B

Assertion is True, Reason is True, Reason is not a correct explanation for Assertion

C

Assertion is True, Reason is False

D

Assertion is False but Reason is True.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos

Similar Questions

Explore conceptually related problems

Statement-1 : A body weight W newton on the surface of the earth. Its weight at a height equal to half the radius of the earth will be 2 W//5 . Statement-2 : g' = g.(R^(2))/((R + h)^(2))

A body weighs 72 N on the surface of the earth What is the gravitational force on it, at a height equal to half the radius of the earth

The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is :

A body weighs 81 N on the surface of the earth. What is the gravitational force on it due to earth at a height equal to half the radius of the earth from the surface ?

The acceleration due to gravity on the surface of the earth is g. If a body of mass m is raised from the surface of the earth to a height equal to the radius R of the earth, then the gain in its potential energy is given by

A body weighs 63 kg-wt on the surface of earth. Its weight on the surface of Mars will be (Mass of Mars = 1/9 mass of earth, Radius of 9 Mars = 1/2 Radius of earth)

A body weighs 700gm wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is 1/7 and radius is half that of the earth

What would be the value of g on the surface of the earth if its mass was twice and its radius half of what it is now ?

A body is thrown from the surface of the earth with velocity u m/s. The maximum height in metre above the surface of the earth upto which it will reac is (where, R = radish of earth, g=acceleration due to gravity)

What would be the value of g on othe surface of the earth if tis mass was twice as large and its radius half of what it is now?

TARGET PUBLICATION-Gravitation-Exercise
  1. Four particles, each of mass M and equidistant from each other, move a...

    Text Solution

    |

  2. The earth (mass=6 xx 10^24 kg) revolves around the Sun with angular ve...

    Text Solution

    |

  3. Assertion. A body weighs X newton on the surface of the earth. Its wei...

    Text Solution

    |

  4. Two planets revolve round the sun with frequencies n1 and n2 revolutio...

    Text Solution

    |

  5. A satellite of mass m moving around the earth of mass mE in a circular...

    Text Solution

    |

  6. The period of revolution of planet A around the Sun is 8 times that of...

    Text Solution

    |

  7. If the mean distance of Mars from the Sun is 1.525 times that of the e...

    Text Solution

    |

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

    Text Solution

    |

  9. Assertion: Two solid spheres of radius r and 2 r, made of same materia...

    Text Solution

    |

  10. If the distance between two bodies is doubled, the force of gravitatio...

    Text Solution

    |

  11. Two spheres, each of mass 625 kg, are placed with their centres 50 cm ...

    Text Solution

    |

  12. The value of universal gravitational constant G in M.K.S system is 6.6...

    Text Solution

    |

  13. The gravitational force on a body of mass 5 kg at the surface of the e...

    Text Solution

    |

  14. If the distance between the sun and the earth is increased by three ti...

    Text Solution

    |

  15. A body weighs 81 N on the surface of the earth. What is the gravitatio...

    Text Solution

    |

  16. Two point masses each equal to I kg attract one another with a force o...

    Text Solution

    |

  17. Gravitational force between two objects separated by 20 cm is 1.0xx10^...

    Text Solution

    |

  18. Mass of the Earth is 81 times mass of the Moon and distance between Ea...

    Text Solution

    |

  19. Value of G is to be determined using Cavendish balance. If all quantit...

    Text Solution

    |

  20. The mass of the moon is 1/(81) of the earth but the gravitational pul...

    Text Solution

    |