1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A vessel containing 1 mole of $$\mathrm{O}_2$$ gas (molar mass 32) at temperature $$T$$. The pressure of the gas is $$p$$. An identical vessel containing one mole of He gas (molar mass 4) at temperature $$4 T$$ has a pressure of

A
p/8
B
p
C
4p
D
8p
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A Carnot's heat engine works between the temperature $$527^{\circ} \mathrm{C}$$ and $$127^{\circ} \mathrm{C}$$. What amount of heat should it consume per second to deliver mechanical work at the rate of $$1.0 \mathrm{~kW}$$ ?

A
0.477 kcal/s
B
4.77 kcal/s
C
447.7 kcal/s
D
0.2385 kcal/s
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A monoatomic gas of molar mass m is kept in a insulated container. Container is moving with velocity v. If the container is suddenly stopped, then the change in the temperature of the gas is

A
mv2/4R
B
mv2/2R
C
mv2/R
D
mv2/3R
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

One mole of an ideal diatomic gas undergoes a process as shown in the figure. The molar specific heat of the gas in the process is

BITSAT 2022 Physics - Heat and Thermodynamics Question 4 English

A
3R/2
B
R/2
C
5R/2
D
7R/2
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