Q. 163.8( 5 Votes )

A beaker containing a liquid is kept inside a big closed jar. If the air inside the jar is continuously pumped out, the pressure in the liquid near the bottom of the liquid will
A. increase

B. decrease

C. remain constant

D. first decrease and then increase.

Answer :

The pressure at any point present in the beaker is equal to the pressure of water due to its height in addition to the atmospheric pressure. As the air is pumped out, we are reducing atmospheric pressure. Hence, the total pressure decreases.

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