Home
Class 12
PHYSICS
If radius of earth is R then the height ...

If radius of earth is R then the height ‘ h ’ at which value of ‘ g ’ becomes one-fourth is

A

2 R

B

3R

C

R

D

4R

Text Solution

Verified by Experts

The correct Answer is:
C
With height `g=(g)/(1+(h)/(R ))^(2)`
Given `g=(g)/(4)` substituting in Eq I we get h=R
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Exercise 2|36 Videos

  • GRAVITATION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET Corner|20 Videos

  • GRAVITATION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET Corner|20 Videos

  • FRICTION IN SOLID AND LIQUIDS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise EXERCISE 2 (Miscellaneous Problems)|24 Videos

  • INTERFERENCE AND DIFFRACTION OF LIGHT

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET Corner|24 Videos

Similar Questions

Explore conceptually related problems

If radius of earth is R , then the height h at which the value of g becomes (1/49)th of its value at the surface is

At the centre of the earth , the value of g becomes

If R is the radius of the earth, the height at which g will decrease by 0.1% of its value at the surface of the earth is

The radius of the earth is 6,400 km. Calculate the height from the surface of the earth at which the value of g is 81% of the value at the surface.

If R is the radius of the earth , the height from its surface at which the acceleration due to gravity is 9% of its value at the surface is

The value of g at depth h is two third the value that on the earth's surface. The value of h in terms of radius of earth R is

If g is acceleration due to gravity on the surface of the earth,having radius R ,the height at which the acceleration due to gravity reduces to g/2 is

If g is acceleration due to gravity on the surface of the earth, having radius R , the height at which the acceleration due to gravity reduces to g//2 is

A satelite is revolving in a circular orbit at a height h above the surface of the earth of radius R. The speed of the satellite in its orbit is one-fourth the escape velocity from the surface of the earth. The relation between h and R is

If g_(h) is the acceleration due to gravity at a height h above the earth's surface and R is the radius of the earth then, the critical velocity of a satellite revolving round the earth in a circular orbit at a height h is equal to

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-GRAVITATION -Exercise 1
  1. Imagine a light planet revolving around a very massive star in a circu...

    Text Solution

    |

  2. If a planet of given density were made larger, its force of attraction...

    Text Solution

    |

  3. If radius of earth is R then the height ‘ h ’ at which value of ‘ g ’ ...

    Text Solution

    |

  4. The depth d, at which the value of acceleration due to gravity becomes...

    Text Solution

    |

  5. Two point masses each equal to 1 kg attract one another with a force o...

    Text Solution

    |

  6. A body has a weight 72 N. When it is taken to a height h=R= radius of ...

    Text Solution

    |

  7. Mass M is split into two parts m and (M-m), which are then separated b...

    Text Solution

    |

  8. Two astronauts have deserted their spaceship in a region of space far ...

    Text Solution

    |

  9. If there particles, each of mass M, are placed at the three corners of...

    Text Solution

    |

  10. If the diameter of mars is 6760 km and mass one tenth that of the eart...

    Text Solution

    |

  11. A body weighs W newton at the surface of the earth. Its weight at a he...

    Text Solution

    |

  12. Two objects of massses m and 4 m are at rest at infinite separtion the...

    Text Solution

    |

  13. Four particles, each of mass M and equidistant from each other, move a...

    Text Solution

    |

  14. Two particles each of mass M and equidistant from each other m...

    Text Solution

    |

  15. A body weighs 72 N on the surface of the earth. What is the gravitatio...

    Text Solution

    |

  16. The change in the value of g at a height h above the surface of the ea...

    Text Solution

    |

  17. The magnitude of gravitational field intensities at distance r(1) and ...

    Text Solution

    |

  18. If two planets of radii R(1) and R(2) have densities d(1) and d(2), th...

    Text Solution

    |

  19. The time period of the moon is T= 27.3 days and radius of orbit is...

    Text Solution

    |

  20. If one assume that the gravitational force due to the earth decre...

    Text Solution

    |