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Mathematics, 19.07.2021 09:00 moneymaleia92
16)dry air is trapped in a narrow uniform glass tube by a mercury pellet of length 25cm .when the tube is placed vertical with the open end um long. what is the external pressure if the column of air becomes 40 cm in length when inverted ? . ( required answer = 74cm hg )
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16)dry air is trapped in a narrow uniform glass tube by a mercury pellet of length 25cm .when the tu...
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