Advertisements
Advertisements
प्रश्न
A hemispherical tank has inner radius of 2.8 m. Find its capacity in litres.
उत्तर
Radius of tank =2.8m
∴ Capacity `= 2/3×22/7×
(2.8)^3`
= `45.99m^3`
∴ Capacity in liters = 45994 liters`[1m^3=1000]`
APPEARS IN
संबंधित प्रश्न
A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm3) is needed to fill this capsule?
`["Assume "pi=22/7]`
Find the volume of a sphere whose radius is 2 cm.
Find the volume of a sphere whose diameter is 2.1 m .
A shopkeeper has one laddoo of radius 5 cm. With the same material, how many laddoos of radius 2.5 cm can be made?
A hollow sphere of internal and external radii 2 cm and 4 cm respectively is melted into a cone of base radius 4 cm. Find the height and slant height of the cone.
A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Show that their volumes are in the ratio 1 : 2 : 3.
A spherical ball of radius r1 units is melted to make 8 new identical balls each of radius r2 units. Then r1 : r2 is
Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water.
Two solid spheres made of the same metal have weights 5920 g and 740 g, respectively. Determine the radius of the larger sphere, if the diameter of the smaller one is 5 cm.
The volumes of the two spheres are in the ratio 64 : 27. Find the ratio of their surface areas.
