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A drop of liquid of diameter 2.8 mm brea...

A drop of liquid of diameter 2.8 mm breaks up into 125 identical drops. The change in energy is nearly (S.T. of liquid =75 dynes / cm )

A

100 erg

B

19 erg

C

46 erg

D

74 erg

Text Solution

Verified by Experts

The correct Answer is:
D
` dw = 4piR^(2) T (n^(1//3) -1)and R = n^(1//3) r`
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