Home
Class 11
PHYSICS
Let V & E be gravitational potential & g...

Let V & E be gravitational potential & gravitational field at a distance r from the centre of a uniform solid sphere, consider the 2 statements
(A) the plot of V against r is discontinuous
(B) the plot of E against r is discontinuous

A

both A & B correct

B

A is correct but B is wrong

C

B is correct but A is wrong

D

both A & B wrong

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS - FILL IN THE BLANKS|9 Videos

  • GRAVITATION

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS - CHOOSE THE ODD ONE OUT|3 Videos

  • GRAVITATION

    SURA PUBLICATION|Exercise EXERCISE - NUMERICAL PROBLEMS|15 Videos

  • GOVT. MODEL QUESTION PAPER - 2

    SURA PUBLICATION|Exercise PART - IV (Answer the questions)|12 Videos

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise Value Based Question|1 Videos

Similar Questions

Explore conceptually related problems

Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by

The radius of gyration of a solid sphere of radius about a certain axis is r. The distance of that axis from the centre of the sphere is

Assume that a tunnel ils dug along a chord of the earth, at a perpendicular distance R/2 from the earth's centre where R is the radius of the earth. The wall of the tunnel is frictionless. a. Find the gravitational force exerted by the earth on a particle of mass m placed in the tunnel at a distance x from the centre of the tunnel. b. Find the component of this fore along the tunnel and perpendicular to the tunnel. c. Find the normal force exerted by the wall on the particle. d. Find the resultant force on the particle. e.Show that the motion of the particle in the tunnel is simple harmonic and find the time period.

Suppose that a satellite in space, an earth station and the centre of earth all lie in the same plane. Let r be the radius of earth and R be the distance from the centre of earth to the satellite. Let d be the distance from the earth station from the satellite. Let 30^(@) be the angle of elevation from the earth station to the satellite. if the line segment connecting earth station and satellite subtends angle alpha at the centre of earth, then prove that d =R sqrt(1 + ((r )/(R))^(2) - 2(r )/(R ) cos alpha) .

The gravitational field intensity (E) due to a mass 'm' at a point which is at a distance 'r' from mass is given by ________.

What can be said about the centre of mass of a uniform hemisphere without making any calculation? Will its distance from the centre be more than r/2 or less than r/2?

Show graphically the variation of electric field E (y-axis) due to a charged infinite plane sheet with distance r (x-axis) from the plate.

SURA PUBLICATION-GRAVITATION-ADDITIONAL QUESTIONS - MULTIPLE CHOICE QUESTIONS (1 Mark)
  1. According to Kepler's second law, the radial vector to a planet from t...

    Text Solution

    |

  2. A satellite is launched into a circular orbit of radius R around the e...

    Text Solution

    |

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

    Text Solution

    |

  4. A body projected electrically from the earth reaches a height equal to...

    Text Solution

    |

  5. A rocket is fired from the earth. The body is projected the distance b...

    Text Solution

    |

  6. A body of mass 500g is town upwards with a velocity 20 ms^(-1) and rea...

    Text Solution

    |

  7. A body of mass m falls from earth's surface at a height equal to twice...

    Text Solution

    |

  8. Three bodies of each of mass 2kg are situated on x-axis at distance 1m...

    Text Solution

    |

  9. Explain the variation of 'g' with latitude.

    Text Solution

    |

  10. If the acceleration due to gravity at the surface of the earth is g, t...

    Text Solution

    |

  11. Let V & E be gravitational potential & gravitational field at a distan...

    Text Solution

    |

  12. Two spherical balls of mass 10 hg are placed 10 cm apart. Find gravita...

    Text Solution

    |

  13. A body is suspended from a spring balance kept in a satellite the read...

    Text Solution

    |

  14. A particle is kept at rest at a distance R (earth's radius) above the ...

    Text Solution

    |

  15. A satellite is orbiting the earth close to its surface. A particle is ...

    Text Solution

    |

  16. Which of following quantities remain constant in a planetary motion (c...

    Text Solution

    |