1
MHT CET 2021 21th September Evening Shift
+1
-0

In thermodynamics, for an isochoric process, which one of the following statement is INCORRECT?

A
Energy exchanged is used to do work and also to change internal energy.
B
No work is done in the process.
C
It is a constant volume process.
D
Temperature of the system changes during the process.
2
MHT CET 2021 21th September Evening Shift
+1
-0

If '$$\mathrm{E}$$' is the kinetic energy per mole of an ideal gas and '$$\mathrm{T}$$' is the absolute temperature, then the universal gas constant is given as

A
$$\frac{2 \mathrm{~T}}{3 \mathrm{E}}$$
B
$$\frac{2 \mathrm{E}}{3 \mathrm{~T}}$$
C
$$\frac{3 \mathrm{~T}}{2 \mathrm{E}}$$
D
$$\frac{3 \mathrm{E}}{2 \mathrm{~T}}$$
3
MHT CET 2021 21th September Evening Shift
+1
-0

Two rods of same length and material are joined end to end. They transfer heat in 8 second. When they are joined in parallel they transfer same amount of heat in same conditions in time

A
3 s
B
2 s
C
1 s
D
4 s
4
MHT CET 2021 21th September Morning Shift
+1
-0

The molar specific heats of an ideal gas at constant pressure and volume are denoted by '$$\mathrm{C}_{\mathrm{p}}$$' and '$$C_v$$' respectively. If $$\gamma=\frac{C_p}{C_v}$$ and '$$R$$' is universal gas constant, then $$C_v$$ is equal to

A
$$\frac{\mathrm{R}}{\gamma-1}$$
B
$$\gamma \mathrm{R}$$
C
$$\frac{1+\gamma}{1-\gamma}$$
D
$$\frac{\gamma-1}{\mathrm{R}}$$
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
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