A spherical drop of molten iron of radius 2 mm solidifies in 10 s. A s – McqOptions

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1.	A spherical drop of molten iron of radius 2 mm solidifies in 10 s. A similar drop of radius 4 mm will solidify in:
A.	10 s
B.	30 s
C.	20 s
D.	40 s
Answer» E.

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