1
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a thermodynamic process, there is no exchange of heat between the system and surroundings. Then the thermodynamic process is

A
isothermal
B
isobaric
C
isochoric
D
adiabatic
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

According to kinetic theory of gases, which one of the following statements is wrong?

A
All the molecules of a gas are identical.
B
Collisions between the molecules of a gas and that of the molecules with the walls of the container are perfectly elastic.
C
The molecules do not exert appreciable force on one another except during collision.
D
The pressure exerted by a gas is due to the collision between the molecules of the gas.
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Three discs $$\mathrm{x}, \mathrm{y}$$ and $$\mathrm{z}$$ having radii $$2 \mathrm{~m}, 3 \mathrm{~m}$$ and $$6 \mathrm{~m}$$ respectively are coated on outer surfaces. The wavelength corresponding to maximum intensity are $$300 \mathrm{~nm}, 400 \mathrm{~nm}$$ and $$500 \mathrm{~nm}$$ respectively. If $$\mathrm{P}_{\mathrm{x}}, \mathrm{P}_{\mathrm{y}}$$ and $$\mathrm{P}_{\mathrm{z}}$$ are power radiated by them respectively then

A
$$\mathrm{P}_{\mathrm{X}}$$ is maximum
B
$$\mathrm{P}_{\mathrm{Z}}$$ is maximum
C
$$\mathrm{P}_{\mathrm{y}}$$ is maximum
D
$$\mathrm{P_x=P_y=P_z}$$
4
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

When the rms velocity of a gas is denoted by '$$v$$', which one of the following relations is true?

($$\mathrm{T}=$$ Absolute temperature of the gas.)

A
$$\frac{\mathrm{v}^2}{\mathrm{~T}}=$$ constant
B
$$\mathrm{v}^2 \mathrm{T}=$$ constant
C
$$\mathrm{vT}^2=$$ constant
D
$$\frac{\mathrm{v}}{\mathrm{T}^2}=$$ constant
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