A narrow cylindrical tube, closed at one end, contains air separated from the outside air by a column of mercury. When the tube is facing upward with its closed end, the air inside it occupies a length l1; when the tube is turned upward with its open end, the air inside it occupies a length l1 less than l1. Length of the mercury column h. Mercury density p. Determine atmospheric pressure.
Detailed solution. Format gif
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