Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 8

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Weekly Quiz Competition

Question 1
4 / -1

If the rms velocity of a gas is v, then

A
v²T = constant

B
v²/T = constant

C
vT² = constant

D
v is independent of T

Solution
Question 2
4 / -1

A

B

C

D

Solution
Question 3
4 / -1

According to the kinetic theory of gases, the temperature of a gas is a measure of average

A
velocities of its molecules

B
linear momenta of its molecules

C
kinetic energies of its molecules

D
angular momenta of its molecules
Question 4
4 / -1

Oxygen and hydrogen are at the same temperature T. The ratio of the mean kinetic energy of oxygen molecules to that of the hydrogen molecules will be

A
16 : 1

B
1 : 1

C
4 : 1

D
1 : 4

Solution
Question 5
4 / -1

At what temperature the kinetic energy of gas molecule is half of the value at 27°C?

A
13.5°C

B
150°C

C
75 K

D
–123°C

Solution
Question 6
4 / -1

The average kinetic energy of a gas molecule is

A
proportional to pressure of gas

B
inversely proportional to volume of gas

C
inversely proportional to absolute temperature of gas

D
directly proportional to absolute temperature of gas

Solution
Question 7
4 / -1

In the absence of intermolecular forces of attraction, the observed pressure p will be

A
p

B
< p

C
> p

D
zero
Question 8
4 / -1

The gases carbon monoxide (CO) and nitrogen (N₂) at the same temperature have kinetic energies E₁ and E₂ , respectively. Then,

A
E₁ = E₂

B
E₁ > E₂

C
E₁ < E₂

D
E₁ and E₂ cannot be compared

Solution
Question 9
4 / -1

A closed vessel is maintained at a constant temperature. It is first evacuated and then vapour is injected into it continuously. The pressure of the vapour in the vessel

A
increases continuously

B
first increases and then remains constant

C
first increases and then decreases

D
None of the above
Question 10
4 / -1

It is seen that in proper ventilation of building, windows must be opened near the bottom and the top of the walls, so as to let pass

A
in hot near the roof and cool air out near the bottom

B
out hot air near the roof

C
in cool air near the bottom and hot air out near the roof

D
in more air