Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 38

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Weekly Quiz Competition

Question 1
4 / -1

Pressure versus temperature graph of an ideal gas at constant volume V of an ideal gas is shown by the straight line A. Now mass of the gas is doubled and the volume is halved, then the corresponding pressure versus temperature graph will be shown by the line

A
A

B
B

C
C

D
None of these
Question 2
4 / -1

Two different isotherms representing the relationship between pressure p and volume V at a given temperature of the same ideal gas are shown for masses m₁ and m₂ of the gas respectively in the figure given, then

A
m₁ > m₂

B
m₁ = m₂

C
m₁ < m₂

D

Solution
Question 3
4 / -1

Two different masses m and 3m of an ideal gas are heated separately in a vessel of constant volume, the pressure P and absolute temperature T, graphs for these two cases are shown in the figure as A and B. The ratio of slopes of curves B to A is

A
3 : 1

B
1 : 3

C
9 : 1

D
1 : 9

Solution
Question 4
4 / -1

The density (ρ) versus pressure (P) of a given mass of an ideal gas is shown at two temperatures T₁ and T₂ Then relation between T₂ and T₂ may be

A
T₁ > T₂

B
T₂ > T₁

C
T₁ = T₂

D
All the three are possible

Solution
Question 5
4 / -1

Which open of the following graph is correct at constant pressure?

A

B

C

D

Solution
Question 6
4 / -1

From the following statements, concerning ideal gas at any given temperature T, select the correct one (s)

A
The coefficient of volume expansion at constant pressure is same for all ideal gases

B
The average translational kinetic energy per molecules of oxygen gas is 3kT (k being Boltzmann constant)

C
In a gaseous mixture, the average translational kinetic energy of the molecules of each component is same

D
The mean free path of molecules increases with the decrease in pressure

Solution
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

C_v and C_p denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then,

A
C_p – C_v is larger for a diatomic ideal gas than for a monoatomic ideal gas

B
C_p + C_v is larger for a diatomic ideal gas than for a monoatomic ideal gas

C
C_p / C_v is larger for a diatomic ideal gas than for a monoatomic ideal gas

D
C_p • C_v is larger for a diatomic ideal gas than for a monoatomic ideal gas

Solution
Question 9
4 / -1

A box contains is mixture of H₂ and He gases. Which of the following statements are corrects?

A
The average translational kinetic energies of H₂ molecules and He atoms are same

B
The average energies of H₂ molecules and He atoms are same

C
H₂ molecules have greater average energy than that of He atoms

D
The average speed of H₂ molecules and He atoms are same

Solution
Question 10
4 / -1

Statement I The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its volume.
Statement II The molecules of a gas collide with each other and the velocities of the molecules change due to the collision

A
Statements I is true, statements II is true ; statements II is a correct explanation for statements I

B
Statement I is true, statement II is true ; statement II is not a correct explanation for statement I

C
Statement I is true, statement II is false

D
Statement I is false, statement II is true

Solution