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A thin glass tube (uniform cross-section...

A thin glass tube (uniform cross-section) is filled with He and `SO_(2)` in between Hg column as shown in diagram. When it is rotated by angle `45^(@)` anticlockwise as shown in diagram, calculate the sum of final volume of both gases (Assume T remains constant) [Use : `(1)/(sqrt(2))=0.7`]

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