1 mole of an ideal gas is contained in a cubical volume V, ABCDEFGH at 300 K (Figure). One face of the cube (EFGH) is made up of a material which totally absorbs any gas molecule incident on it. At any given time:
A
The pressure on EFGH would be zero
B
The pressure on all the faces 
will the equal
will the equal
C
The pressure of EFGH would be double the pressure on ABCD
D
The pressure on EFGH would be half that on ABCD
Text Solution
Verified by ExpertsThe correct answer is:
D
In an ideal gas, when a molecule collides elastically with a wall, the momentum transferred to each molecule will be twice the magnitude of its normal momentum.
For the face EFGH, it transfers only half of that.
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