Home
Class 10
MATHS
A hemispherical solid of radius r1 units...

A hemispherical solid of radius `r_1` units is melted and made into 32 identical spherical balls each of radius `r_2` units then `r_1 : r_2` is:

A

`1:4`

B

`2:1`

C

`4:1`

D

`8:1`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    PREMIERS PUBLISHERS|Exercise SOLUTION TO ACTIVITIES|11 Videos
  • GEOMETRY

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|22 Videos
  • NUMBERS AND SEQUENCES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|23 Videos

Similar Questions

Explore conceptually related problems

A spherical ball of radius r_(1) units is melted to make 8 new identical balls each of radius r_(2) units. Then r_(1) : r_(2) is

A spherical ball of iron has been melted and made into small balls. If the radius of each smaller ball is one-fourth of the radius of the original one, how many such balls can be made ?

Moment of inertia of solid sphere of radius r_(0) is

The capacitor C of a spherical conductor of radius R is proportional to

A small sphere of radius r_1 and charge q_1 is enclosed by a spherical shell of radius r_2 and charge q_2 . Show that if q_1 is positive, charge will necessarily flow from the sphere to the shell (when the two are connected by a wire) no matter what the charge q_2, on the shell is.

A conical flask is full of water. The flask has base radius r units and height h units, the water pured into a cylindrical flask of base radius xr units. Find the height of water in the cylindrical flask.

Find the radius of the spherical tank whose volume is (32pi)/(3) units.