Home
Class 10
MATHS
What is the ratio of volume to surface a...

What is the ratio of volume to surface area of sphere?

Text Solution

Verified by Experts

The correct Answer is:
Ratio of volume :surface area `=4/3pir^(3):4pir^(2)`,`=r/3:1=r:3`
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    FULL MARKS|Exercise EXERCISE 7.1|10 Videos
  • MENSURATION

    FULL MARKS|Exercise EXERCISE 7.2|10 Videos
  • GEOMETRY

    FULL MARKS|Exercise THINKING CORNER|2 Videos
  • NUMBERS AND SEQUENCES

    FULL MARKS|Exercise ADDITIONAL QUESTION SOLVED (III. ANSWER THE FOLLOWING).|12 Videos

Similar Questions

Explore conceptually related problems

If the radius of a sphere is doubled, what is the ratio of the volume of the first sphere to that of second.

A hemispherical bowl is made of brass .0.25 cm. thickness .The inner radius of the bowl is 5cm. Find the ratio of outer surface area to inner surface area.

Two similar cones have volumes 12pi cu. Units and 96 pi cu. Units. If the curved surface area of the smaller cone is 15 pi sq. units ,What is the curved surface area of the larger one?

If the radius of a sphere is doubled, what will be the ratio of its surface are and volume as to that of the first sphere?

Find the volume and surface area of a sphere of radius 2.1 cm (pi = (22)/(7))

Find the volume and the total surface area of a hemisphere of radius 3.5 cm . (pi= (22)/(7))

The diameter of a spherical balloon increases from 14cm . To 28 cm . As air is being pumped into it. Find the ratio of surface area to inner surface area of the balloons in the two cases.

The radius and height of a cylinder are in the ratio 2:7 . If the curved surface area of the cylinder is 352 sq.cm. Find its radius.