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The work done in blowing a soap bubble o...

The work done in blowing a soap bubble of volume `V` is `W`. The work done in blowing a soap bubble of volume `2V` is

A

W

B

`2^((2)/(3))W`

C

`3^((2)/(3))W`

D

2W

Text Solution

Verified by Experts

The correct Answer is:
B
`W=8pir^(2)T, V=(4)/(3)pir^(3), V alpha r^(3),(W_(2))/(W_(1))=[(V_(2))/(V_(1))]^((2)/(3))`
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