1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A certain volume of a gas at 300 K expands adiabatically until its volume is doubled. The resultant fall in temperature of the gas is nearly (The ratio of the specific heats of the gas $=1.5$ )
A
88 K
B
77 K
C
67 K
D
54 K
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The efficiency of a Carnot's engine is $25 \%$. When the temperature of sink is 300 K . The increase in the temperature of source required for the efficiency to become $50 \%$ is
A
225 K
B
400 K
C
200 K
D
100 K
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
When 100 J of heat is supplied to a gas, the increase in the internal energy of the gas is 60 J . Then the gas is /can
A
be triatomic or diatomic gas
B
triatomic gas
C
monoatomic gas
D
diatomic gas
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
An ideal gas is kept in a cylinder of volume $3 \mathrm{~m}^3$ at a pressure of $3 \times 10^5 \mathrm{~Pa}$. The energy of the gas is
A
$13.5 \times 10^6 \mathrm{~J}$
B
$1.35 \times 10^5 \mathrm{~J}$
C
$13.5 \times 10^5 \mathrm{~J}$
D
$135 \times 10^6 \mathrm{~J}$
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