AP ICET 2015 Paper

Question : 98 of 200

Marks: +1, -0

A copper sphere of 6 cm diameter is melted to prepare a long wire of diameter 0.2 cm. Then the length of the wire (in metres) is

Solution:

Volume of wire (cylindrical) = volume of sphere

⇒πr^2l=4/3πR^3

∴(6/2)^2l=4/3(0.2/2)^3

⇒l=3600cm.=36m.

Go to Question:

Prev Question

Next Question