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A copper wire of length 36 m and diam...

A copper wire of length 36 m and diameter 2 mm is melted to form a sphere. The radius of the sphere (in cm) is (a) 2.5 (b) 3 (c) 3.5 (d) 4

A

2.5

B

3

C

3.5

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
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