Home
Class 9
MATHS
A hemispherical tank is made up of an ir...

A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A hemispherical bowl is made of steel 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the volume of steel used in making the bowl. [ Take pi = 3.14]

A hemispherical bowl of steel is of thickness 0.3 cm (See Fig) If the inner radius of the bowl is 7 cm, find the volume of the steel used in making the bowl.

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.

A storage tank is in the form of cube. When it is full of water, the volume of water is 15.625cm^3 . If the present depth of water is 1.3 m, find the volume of water already used form the tank.

The thickness of a hollow wooden cylinder is 2 cm. It is 35 cm long and its inner rdius is 12 cm. Find the volume of wood required to make the cylinder, assuming it is open at either end.

A cylindrical road-roller made of iron is 1 m long. Its internal diameter is 54 cm and the thikcness of the iron sheet used in making the rolleris 9cm. Find the mass of the roller, if 1 cm^3 iron has 7.8 g mass. (Use pi = 3.14)

A cylindrical tube opened at both ends is made of iron sheet which is 2cm thick. If the outer diameter is 15 cm and its length is 100cm, find how many cubic centimeters of iron has been used in making the tube?

Find the volume of a hemispherical of radius 3.5 cm.

A hemspherical tank has inner radius of 2.8 m. find its capacity in litres.

MBD-Surface Areas and Volumes-Exercise
  1. The diameter of the moon is approximately one-fourth the diameter of t...

    Text Solution

    |

  2. How many litres of milk can a hemispherical bowl of diameter 10.5 cm h...

    Text Solution

    |

  3. A hemispherical tank is made up of an iron sheet 1 cm thick. If the in...

    Text Solution

    |

  4. Find the volume of a sphere whose surface area is 154 cm^2 .

    Text Solution

    |

  5. A dome of a building is in the form of a hemisphere. From inside, it w...

    Text Solution

    |

  6. A dome of a building is in the form of a hemisphere. From inside, it w...

    Text Solution

    |

  7. Twenty seven solid iron spheres, each of radius r and surface area S a...

    Text Solution

    |

  8. Twenty seven solid iron spheres, each of radius r and surface area S a...

    Text Solution

    |

  9. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. ...

    Text Solution

    |

  10. Find the volume of a sphere of radius 4 cm.

    Text Solution

    |

  11. Find the volume of a sphere whose radius is : 3.5 cm.

    Text Solution

    |

  12. Find the volume of a sphere whose radius is : 14 dm.

    Text Solution

    |

  13. A hemispherical bowl has inner diameter 11.2 cm. Find the volume of th...

    Text Solution

    |

  14. If S denotes the surface area and V the volume of the sphere, then sho...

    Text Solution

    |

  15. The surface area of a sphere is 1386 cm^2. Find its volume.

    Text Solution

    |

  16. The diameter of a copper sphere is 6 cm. It is beaten and drawn into a...

    Text Solution

    |

  17. A hemispherical bowl is made of steel 0.25 cm thick. The inner radius ...

    Text Solution

    |

  18. Find the volume and total surface area of a soild in the form of a rig...

    Text Solution

    |

  19. A sphere of diameter 6 cm is dropped into a cylindrical vessel partly ...

    Text Solution

    |

  20. A spherical balloon grows to twice its radius when inflated. How has i...

    Text Solution

    |