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2
MCQ (Single Correct Answer)

1 mole of an ideal gas is contained in a cubical volume $V, A B C D E F G H$ at 300 K (figure). One face of the cube ( $E F G H$ ) is made up of a material which totally absorbs any gas molecule incident on it. At any given time,

A
the pressure on $E F G H$ would be zero
B
the pressure on all the faces will the equal
C
the pressure of $E F G H$ would be double the pressure on $A B C D$
D
the pressure on $E F G H$ would be half that on $A B C D$
3
MCQ (Single Correct Answer)

Boyle's law is applicable for an

A
adiabatic process
B
isothermal process
C
isobaric process
D
isochoric process
4
MCQ (Single Correct Answer)

A cylinder containing an ideal gas is in vertical position and has a piston of mass $M$ that is able to move up or down without friction (figure). If the temperature is increased

A
both $p$ and $V$ of the gas will change
B
only $p$ will increase according to Charles' law
C
$V$ will change but not $p$
D
$p$ will change but not $V$
5
MCQ (Single Correct Answer)

Volume versus temperature graphs for a given mass of an ideal gas are shown in figure. At two different values of constant pressure. What can be inferred about relation between $p_1$ and $p_2$ ?

A
$p_1>p_2$
B
$p_1=p_2$
C
$p_1< p_2$
D
Data is insufficient
6
MCQ (Single Correct Answer)

1 mole of $\mathrm{H}_2$ gas is contained in a box of volume $V=1.00 \mathrm{~m}^3$ at $T=300 \mathrm{~K}$. The gas is heated to a temperature of $T=3000 \mathrm{~K}$ and the gas gets converted to a gas of hydrogen atoms. The final pressure would be (considering all gases to be ideal)

A
same as the pressure initially
B
2 times the pressure initially
C
10 times the pressure initially
D
20 times the pressure initially
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