Question

The diameter of a solid lead sphere is 14
cm. By melting this sphere how many
spheres of radius 3.5 cm can be formed ?
TW.B.M. 1994]​

Answer 1

Answer:

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Answer 2

Answer:

8

Step-by-step explanation:

given:d=14cm

r=14/2=7cm

number of sphere=n

volume of sphere=(n)× volume of smaller sphere

             4/3πr³= n × 4/3πR³

here 4/3π cancels so therefore

(7)³=n× R³

n = (7)³/(3.5)³

n=8