A bubble has surface tension S. The ideal gas inside the bubble has ratio of specific heats 
. The bubble is exposed to the atmosphere and it always retains its spherical shape. When the atmospheric pressure is 
, the radius of the bubble is found to be r 1 and the temperature of the enclosed gas is T 1 . When the atmospheric pressure is 
, the radius of the bubble and the temperature of the enclosed gas are r 2 and T 2 , respectively. Which of the following statement(s) is(are) correct?
If the surface of the bubble is a perfect heat insulator, then
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
(c,d)
(Conducting)
Isothermal process T=constant
PV = constant
Adiabatic process 
constant 
=const
(Insulating)
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