Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 58

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Weekly Quiz Competition

Question 1
4 / -1

Gas at a pressure P₀ in contained is a vessel. If themasses of all the molecules are halved and their speeds are doubled, the resulting pressure P will be equal to

A
4P₀

B
2P₀

C
P₀

D
P₀ / 2

Solution
Question 2
4 / -1

A box contains n molecules of a gas. How will the pressure of the gas be effected, if the number of molecules is made 2n

A
Pressure will decrease

B
Pressure will remain unchanged

C
Pressure will doubled

D
Pressure will become three times

Solution
Question 3
4 / -1

The relation between the gas pressure P and average kinetic energy per unit volume E, is

A

B

C

D

Solution
Question 4
4 / -1

A cylinder of capacity 20 litres is filled with H₂gas. The total average kinetic energy of translatory motion of its molecules is 1.5 ×10⁵ J. The pressure of hydrogen in the cylinder is

A
2 × 10⁶ N/m²

B
3 × 10⁶ N/m²

C
4 × 10⁶ N/m²

D
5 × 10⁶ N/m²

Solution
Question 5
4 / -1

The root mean square speed of hydrogen molecules of an ideal hydrogen gas kept in a gas chamber at 0°C is 3180 metres/second. The pressure on the hydrogen gas is (Density of hydrogen gas is 8.99 × 10^–2 kg/m³, 1 atmosphere = 1.01 × 10⁵ N/m²)

A
1.0 atm

B
1.5 atm

C
2.0 atm

D
3.0 atm

Solution
Question 6
4 / -1

At a given temperature, the pressure of an ideal gas of density ρ is proportional to

A

B

C

D

Solution
Question 7
4 / -1

Consider a gas with density ρ and c ̅as the root mean square velocity of its molecules contained in a volume. If the system moves as whole with velocity v, then the pressure exerted by the gas is

A

B

C

D

Solution
Question 8
4 / -1

In kinetic theory of gases, a molecule of mass m of an ideal gas collides with a wall of vessel with velocity V. The change in the linear momentum of the molecule is

A
2 mV

B
mV

C
–mV

D
Zero

Solution
Question 9
4 / -1

If the mean free path of atoms is doubled, then thepressure of gas will become

A
P/4

B
P/2

C
P/8

D
P

Solution
Question 10
4 / -1

Relationship between P, V, and E for a gas is

A

B

C

D

Solution