A copper wire of radius 0.5 mm and length \(42\frac{2}{3}\) m is melt – McqOptions

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1.	A copper wire of radius 0.5 mm and length \(42\frac{2}{3}\) m is melted and converted into a sphere of radius R cm. What is the value of R?
A.	3 cm
B.	2 cm
C.	1.5 cm
D.	1.8 cm
Answer» C. 1.5 cm

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