A soap bubble of radius ' R ' is blown. After heating a solution, a second bubble of radius ' 2R ' is blown. The work required to blow the 
bubble in comparison to that required for the 
bubble is
Text Solution
Verified by ExpertsThe correct answer is:
C
As, 
area
where, T is surface energy of bubble.
As, temperature increase surface tension 
decreases thus work required will be slightly less than four times.
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