Advertisements
Advertisements
प्रश्न
Find the volume of a sphere whose radius is 2 cm.
उत्तर
Radius (r) = 2cm
∴ volume = `4/3πr^3`
= `4/3×22/7×(2)^3=33.52cm^3`
APPEARS IN
संबंधित प्रश्न
Find the volume of a sphere whose radius is 0.63 m.
`["Assume "pi=22/7]`
Find the amount of water displaced by a solid spherical ball of diameter 0.21 m.
`["Assume "pi=22/7]`
If the radius of a sphere is doubled, what is the ratio of the volume of the first sphere to that of the second sphere?
A cone and a hemisphere have equal bases and equal volumes. Find the ratio of their heights.
A vessel in the form of a hemispherical bowl is full of water. The contents are emptied into a cylinder. The internal radii of the bowl and cylinder are respectively 6 cm and 4 cm. Find the height of water in the cylinder
A cylinder of radius 12 cm contains water to a depth of 20 cm. A spherical iron ball is dropped into the cylinder and thus the level of water is raised by 6.75 cm. Find the radius of the ball.
(Use 𝜋 = 22/7).
The radius of the internal and external surfaces of a hollow spherical shell are 3 cm and 5 cm respectively. If it is melted and recast into a solid cylinder of heigh2`2/3`cm Find the diameter of the cylinder.
If the ratio of radii of two spheres is 4 : 7, find the ratio of their volumes.
The radius of a sphere is 2r, then its volume will be ______.
A cube of side 4 cm contains a sphere touching its sides. Find the volume of the gap in between.
