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shaiqbashir
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A vertica cylindrical Tank of length greater rgab 76cm has its top end closed by a tightly fitting frictionless piston of negligible weight. The air inside the cylinder is at an absolute pressure of 1 atm. The piston depressed by pouring mercury on it slowly, so that the temperature of air is maintained constant. What is the length of the air column where the mercury starts to spill over?
Thanks in advance
Thanks in advance