Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 42

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Weekly Quiz Competition

Question 1
4 / -1

If the rms velocity of a gas at a given temperature (Kelvin scale) is 300 m/s. What will be the r.m.s. velocity of a gas having twice the molecular weight and half the temperature on Kelvin scale is equal to

A
300 m/s

B
600 m/s

C
75 m/s

D
150 m/s

Solution
Question 2
4 / -1

A
1.33

B
1.40

C
1.29

D
1.66

Solution
Question 3
4 / -1

A partition divides a container having insulated walls into two compartments I and II. The same gas fills the two compartments. The ratio of the number of molecules in compartments I and II is

A
1 : 6

B
6 : 1

C
4 : 1

D
1 : 4

Solution
Question 4
4 / -1

Pressure versus temperature graph of an ideal gas are as shown in figure. Choose the wrong statement

A
Density of gas is increasing in graph (i)

B
Density of gas is decreasing in graph (ii)

C
Density of gas is constant in graph (iii)

D
None of the above

Solution
Question 5
4 / -1

A
11 g

B
22 g

C
33 g

D
44 g

Solution
Question 6
4 / -1

A cylinder of fixed capacity 44.8 litres contains a monoatomic gas at standard temperature and pressure. The amount of heat required to cylinder by 10°C will be (R = Universal gas constant)

A
R

B
l0R

C
20R

D
30R

Solution
Question 7
4 / -1

A pressure cooker contains air at 1 atm and 30°C. If the safety value of the cooker blows when the inside pressure ≥ 3 atm, then the maximum temperature of the air, inside the cooker can be

A
90°C

B
636°C

C
909°C

D
363°C

Solution
Question 8
4 / -1

One mole of an ideal monoatomic gas requires 210 J heat to raise the temperature by 10 K, when heated at constant temperature. If the same gas is heated at constant volume to raise the temperature by 10 K, then heat required is

A
238 J

B
126 J

C
210 J

D
350 J

Solution
Question 9
4 / -1

From the following V–T diagram we can conclude

A
P₁ = P₂

B
P₁ > P₂

C
P₁ < P₂

D
None of these

Solution
Question 10
4 / -1

A cylinder contains 10 kg of gas at pressure of 10⁷ N/m². The quantity of gas taken out of the cylinder, if final pressure is 2.5 × 10⁶ N/m², will be (Temperature of gas is constant)

A
15.2 kg

B
3.7 kg

C
Zero

D
7.5 kg

Solution