1
JEE Main 2024 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
+4
-1
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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
2
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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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
$$P_2 \geq P_1$$
3
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
4
JEE Main 2024 (Online) 30th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A block of ice at $$-10^{\circ} \mathrm{C}$$ is slowly heated and converted to steam at $$100^{\circ} \mathrm{C}$$. Which of the following curves represent the phenomenon qualitatively:

A
JEE Main 2024 (Online) 30th January Evening Shift Physics - Heat and Thermodynamics Question 25 English Option 1
B
JEE Main 2024 (Online) 30th January Evening Shift Physics - Heat and Thermodynamics Question 25 English Option 2
C
JEE Main 2024 (Online) 30th January Evening Shift Physics - Heat and Thermodynamics Question 25 English Option 3
D
JEE Main 2024 (Online) 30th January Evening Shift Physics - Heat and Thermodynamics Question 25 English Option 4
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