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 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the ratio of the velocity of sound in hydrogen $$\left(\gamma=\frac{7}{5}\right)$$ to that in helium $$\left(\gamma=\frac{5}{3}\right)$$ at the same temperature? (Molecular weight of hydrogen and helium is 2 and 4 respectively.)

A
$$\frac{\sqrt{42}}{5}$$
B
$$\frac{5}{\sqrt{42}}$$
C
$$\frac{\sqrt{21}}{5}$$
D
$$\frac{5}{\sqrt{21}}$$
4
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Equal volumes of two gases are kept in different containers having densities in the ratio 1 : 16. They exert equal pressures on the wall of their respective containers. Then the ratio of their r.m.s. velocities is

A
16 : 1
B
1 : 8
C
4 : 1
D
1 : 12
MHT CET Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CET
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN