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JEE Advanced 2022 Paper 2

Question : 29

Total: 54

If the surface of the bubble is a perfect heat insulator, then (‌
r1
r2
)5=‌
Pa2+
2S
r2
Pa1+‌
2S
r1
.
If the surface of the bubble is a perfect heat insulator, then the total internal energy of the bubble
including its surface energy does not change with the external atmospheric pressure.
If the surface of the bubble is a perfect heat conductor and the change in atmospheric temperature is negligible, then (‌
r1
r2
)3=‌
Pa2+
4S
r2
Pa1+‌
4S
r1
.
If the surface of the bubble is a perfect heat insulator, then (‌
T2
T1
)‌
5
2
=‌
Pa2+
4S
r2
Pa1+‌
4S
r1
.

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