1
MHT CET 2023 9th May Evening Shift
+1
-0

A gas at N.T.P. is suddenly compressed to onefourth of its original volume. If $$\gamma=1.5$$, then the final pressure is

A
4 times
B
1.5 times
C
8 times
D
$$\frac{1}{4}$$ times
2
MHT CET 2023 9th May Evening Shift
+1
-0

A gas is compressed at a constant pressure of $$50 \mathrm{~N} / \mathrm{m}^2$$ from a volume of $$10 \mathrm{~m}^3$$ to a volume of $$4 \mathrm{~m}^3$$. Energy of $$100 \mathrm{~J}$$ is then added to the gas by heating. Its internal energy is

A
increased by $$400 \mathrm{~J}$$
B
increased by $$200 \mathrm{~J}$$
C
increased by $$100 \mathrm{~J}$$
D
decreased by $$200 \mathrm{~J}$$
3
MHT CET 2023 9th May Evening Shift
+1
-0

The pressure exerted by an ideal gas at a particular temperature is directly proportional to

A
the mean speed of the gas molecules.
B
mean of the square of the speed of the gas molecules.
C
the square of the mean speed of the gas molecules.
D
the root mean square speed of the gas molecules.
4
MHT CET 2023 9th May Evening Shift
+1
-0

The temperature of an ideal gas is increased from $$27^{\circ} \mathrm{C}$$ to $$927^{\circ} \mathrm{C}$$. The r.m.s. speed of its molecules becomes

A
twice
B
four times.
C
half.
D
one-fourth.
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
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