A spherical drop of molten metal of radius 5 mm was found to solidify – McqOptions

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1.	A spherical drop of molten metal of radius 5 mm was found to solidify in 12 s. In how much time will a similar drop of radius 10 mm solidify?
A.	6 sec
B.	12 sec
C.	24 sec
D.	48 sec
Answer» E.

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