A cylinder containing air is fitted with a movable piston . What|
happens to the air pressure inside the cylinder if the piston is pulled outwards
as shown in fig. 11? Assume that temperature of the air is constant.
shilpasbs1998:
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Answer:
A cylinder with a movable piston contains air under a pressure P
1
and a soap of radius 'r'. The pressure P
2
to which the air should be compressed by slowly pushing the piston into the cylinder for the soap bubble to reduce its radius by half will be : (The surface tension is σ , and the temperature T is maintained constant).
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