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Suppose that 64 raindrops combine into a...

Suppose that 64 raindrops combine into a single drops. Calculate the ratio of the total surface of 64 drops to that of single drop. (S.T. of water `= 0.072 N/m`)

A

4 : 1

B

1 : 4

C

1 : 16

D

1 : 32

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The correct Answer is:
A
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