how can you make rough estimate of atmospheric pressure
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Answer:
The pressure exerted by the atmosphere on the mercury in the tray is supporting the column, so the height of the column is a way to measure atmospheric pressure. If the tube is graduated in millimeters, the height of the column will be approximately 760 mm, depending on atmospheric conditions.
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Explanation:
The pressure exerted by the atmosphere on the mercury in the tray is supporting the column, so the height of the column is a way to measure atmospheric pressure. If the tube is graduated in millimeters, the height of the column will be approximately 760 mm, depending on atmospheric conditions.
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