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Q.

Let W be the work done, when a bubble of volume V is formed from a given solution. The work required to form a bubble of volume 2 V is

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a

41/3W

b

21/3W

c

2 W

d

W

answer is A.

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Detailed Solution

W=8πr2T  for sopa bubble W∝r2         v∝r3W∝v2/3       r2∝v2/3it volume becomes – 2v,w will be — 22/3 W                  41/3 W.
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