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Which outcome arises from rapid isentropic expansion in a cloud chamber containing supersaturated alcohol vapor?

A)Vapor condensation along ionization tracks
B)Uniform temperature increase in chamber
C)Formation of stable plasma filaments
D)Crystallization of alcohol on chamber walls

💡 Explanation

When an isentropic expansion occurs, adiabatic cooling causes supersaturated alcohol vapor to reach saturation, such that vapor condenses into liquid droplets along paths of ionized particles passing through. Therefore, vapor condenses along ionization, rather than uniform heating, plasma formation, or crystallization which need alternative thermodynamic conditions.

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