JEE Advanced 2024 · Paper 2 · numerical answer

JEE Advanced 2024 Physics question on Properties of Matter

A spherical soap bubble inside an air chamber at pressure P0=105P_0 = 10^5 Pa has a certain radius so that the excess pressure inside the bubble is ΔP=144\Delta P = 144 Pa. Now, the chamber pressure is reduced to 8P0/278P_0/27 so that the bubble radius and its excess pressure change. In this process, all the temperatures remain unchanged. Assume air to be an ideal gas and the excess pressure ΔP\Delta P in both the cases to be much smaller than the chamber pressure. The new excess pressure ΔP\Delta P in Pa is ______.
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Answer: 96

[JEE Advanced 2024 · Paper 2]

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