1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
In the given cycle $ A B C D A $, the heat required for an ideal monoatomic gas will be

BITSAT 2024 Physics - Heat and Thermodynamics Question 1 English

A
$ p_{0} V_{0} $
B
$ \frac{13}{2} p_{0} V_{0} $
C
$ \frac{11}{2} p_{0} V_{0} $
D
$ 4 p_{0} V_{0} $
2
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
In a mixture of gases, the average number of degree of freedoms per molecule is 6 . The rms speed of the molecule of the gas is $ c $, then the velocity of sound in the gas is
A
$ \frac{c}{\sqrt{3}} $
B
$ \frac{c}{\sqrt{2}} $
C
$ \frac{2 c}{3} $
D
$ \frac{3 c}{3} $
3
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
4
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
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