Home
Class 11
PHYSICS
A sphere of mass M and radius R(2) has...

A sphere of mass M and ` radius R_(2) ` has a concentric cavity of radius ` R_(1) ` as shown in figure The force F exerted by the sphere on a particle of mass m located at a distance r from the centre of sphere veries as `(0 lerleoo)` .

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
`F=0,0ltrltR_1`
`Fuarr,R_1ltrltR_2` and `Fdarr,R_2ltrltoo`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Acceleration Due to Gravity)|39 Videos

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Gravitation Potential, Energy and Escape Velocity)|38 Videos

  • FRICTION

    ERRORLESS|Exercise ASSERTION & REASON |8 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS|Exercise ASSERTION AND REASON |16 Videos

Similar Questions

Explore conceptually related problems

A sphare of mass M and radiusR_(2) has a concentric cavity of radius R_(1) as shown in figure The force F exerted by the sphere on a particle of mass m located at a distance r from the centre of sphere veries as (0 lerleoo) .

A sphere of radius 2R and mas M has a spherical cavity of radius R as shown in the figure. Find the value of gravitational field at a point P at a distance of 6R from centre of the sphere.

A solid sphere of mass M and radius R has a spherical cavity of radius R/2 such that the centre of cavity is at a distance R/2 from the centre of the sphere. A point mass m is placed inside the cavity at a distanace R/4 from the centre of sphere. The gravitational force on mass m is

A conducting sphere of radius R_(2) has a spherical cavity of radius R_(1) which is non concentric with the sphere. A point charge q_(1) is placed at a distance r from the centre of the cavity. For this arrangement, answer the following questions. If q_(1) is shifted to the centre of the cavity, then: (choose the correct alternative)

A conducting sphere of radius R_(2) has a spherical cavity of radius R_(1) which is non concentric with the sphere. A point charge q_(1) is placed at a distance r from the centre of the cavity. For this arrangement, answer the following questions. Electric potential at the centre of the cavity will be :

A conducting sphere of radius R_(2) has a spherical cavity of radius R_(1) which is non concentric with the sphere. A point charge q_(1) is placed at a distance r from the centre of the cavity. For this arrangement, answer the following questions. Electric field (magnitude only) at the center of the cavity will be :

The potential at a distance R//2 from the centre of a conducting sphere of radius R will be

A fixed sphere of radius R and uniform density rho has a spherical cavity of radius R//2 such that the surface of the cavity passes through the centre of the sphere. A particle of mass m is located at the centre (A) of the velocity. Calculated (a) The gravitational field at A . (b) The velocity with which the particle strikes the centre O of the sphere. (Neglect earth's gravity)

ERRORLESS-GRAVITATION-Assertion and Reason
  1. A sphere of mass M and radius R(2) has a concentric cavity of radius...

    Text Solution

    |

  2. Statement I: The smaller the orbit of a planet around the Sun, the sho...

    Text Solution

    |

  3. Statement -1: Gravitational force between two particles is negligibly ...

    Text Solution

    |

  4. Assertion: There is no effect of rotation of a earth on acceleration d...

    Text Solution

    |

  5. Assertion : We can not move even a finger without disturbing all the s...

    Text Solution

    |

  6. Assertion : If a pendulum falls freely, then its time period becomes i...

    Text Solution

    |

  7. Statement I: If the earth suddenly stops rotating about its axis, then...

    Text Solution

    |

  8. Assertion : The difference in the value of acceleration due to gravity...

    Text Solution

    |

  9. Assertion: For the plantes orbiting around the sun, angular speed, lin...

    Text Solution

    |

  10. Assertion : A force act upon the earth revolving in a circular orbit...

    Text Solution

    |

  11. Assertion: The speed of revolution of an artificial satellite revoving...

    Text Solution

    |

  12. Assertion : Gravitational potential of earth at every place on it is...

    Text Solution

    |

  13. Assertion : Even when orbit of a satellite is elliptical, its plane of...

    Text Solution

    |

  14. Assertion : A planet moves faster, when it is closer to the sun in i...

    Text Solution

    |

  15. Assertion : Orbital velocity of a satellite is greater than its esca...

    Text Solution

    |

  16. Assertion : The speed of satellite always remains constant in an orb...

    Text Solution

    |

  17. Assertion : Earth has an atmosphere but the moon does not. Reason ...

    Text Solution

    |

  18. Assertion: The time period of geostationary satellite is 24 hrs. Rea...

    Text Solution

    |

  19. Assertion : The principle of superposition is not valid for gravitat...

    Text Solution

    |

  20. Assertion: Two different planets have same escape velocity. Reason:...

    Text Solution

    |

  21. Assertion: The time period of revolution of a satellite close to surfa...

    Text Solution

    |