1
JEE Main 2024 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The speed of sound in oxygen at S.T.P. will be approximately: (given, $$R=8.3 \mathrm{~JK}^{-1}, \gamma=1.4$$)

A
341 m/s
B
333 m/s
C
325 m/s
D
315 m/s
2
JEE Main 2024 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A gas mixture consists of 8 moles of argon and 6 moles of oxygen at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

A
29 RT
B
27 RT
C
20 RT
D
21 RT
3
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The given figure represents two isobaric processes for the same mass of an ideal gas, then

JEE Main 2024 (Online) 31st January Morning Shift Physics - Heat and Thermodynamics Question 32 English

A
$$P_2>P_1$$
B
$$P_1>P_2$$
C
$$P_1=P_2$$
D
$$P_2 \geq P_1$$
4
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The parameter that remains the same for molecules of all gases at a given temperature is :

A
kinetic energy
B
mass
C
momentum
D
speed
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