Advertisements
Advertisements
प्रश्न
Find the volume of a sphere whose diameter is 14 cm .
उत्तर
Diameter = 14cm, Radius `= 14/2 =7cm`
⇒ Volume `= 4/3πr^3=4/3×22/7×(7
)^3=1437.33cm^3`
APPEARS IN
संबंधित प्रश्न
Find the amount of water displaced by a solid spherical ball of diameter 28 cm.
`["Assume "pi=22/7]`
How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold?
`["Assume "pi=22/7]`
A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of ₹ 4989.60 If the cost of white-washing is ₹ 20 per square meter, find the
- inside surface area of the dome,
- volume of the air inside the dome.
`["Assume "pi=22/7]`
The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?
Find the volume of a sphere whose radius is 2 cm.
A cylindrical jar of radius 6 cm contains oil. Iron spheres each of radius 1 .5 cm are immersed in the oil. How many spheres are necessary to raise the level of the oil by two centimetres?
A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49 cm. Find the radius of the base.
A cube of side 4 cm contains a sphere touching its side. Find the volume of the gap in between.
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.
