1
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The first operation involved in a carnot cycle is

A
isothermal expansion.
B
adiabatic expansion.
C
isothermal compression.
D
adiabatic compression.
2
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The temperature at which r.m.s. velocity of hydrogen molecules is 4.5 times that of an oxygen molecule at $47^{\circ} \mathrm{C}$ is (Molecular weight of hydrogen and oxygen molecules are 2 and 32 respectively)

A
$47^{\circ} \mathrm{C}$
B
$132^{\circ} \mathrm{C}$
C
$320^{\circ} \mathrm{C}$
D
$405^{\circ} \mathrm{C}$
3
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A sample of oxygen gas and a sample of hydrogen gas both have the same mass, same volume and the same pressure. The ratio of their absolute temperature is (Molecular wt. of $\mathrm{O}_2 \& \mathrm{H}_2$ is 32 and 2 respectively)

A
$1: 4$
B
$1: 8$
C
$16: 1$
D
$12: 1$
4
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The P-V graph of an ideal gas, cycle is shown. The adiabatic process is described by the region

MHT CET 2024 2nd May Morning Shift Physics - Heat and Thermodynamics Question 124 English

A
AB and BC
B
AB and CD
C
AD and BC
D
BC and CD
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