Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 18

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Weekly Quiz Competition

Question 1
4 / -1

The figure shows the volume V versus temperature T graphs for a certain mass of a perfect gas at two constant pressure of P₁ and P₂. What inference can you draw from the graphs.

A
P₁ < P₂

B
P₁ > P₂

C
P₁ = P₂

D
No inference can be drawn due to insufficient information

Solution
Question 2
4 / -1

Which one the following graphs represents the behaviour of an ideal gas

A

B

C

D
Question 3
4 / -1

Under constant temperature, graph between p and 1/V is

A
Hyperbola

B
Circle

C
Parabola

D
Straight line

Solution
Question 4
4 / -1

Assertion : The time of collision of molecules is of the order of 10^–8 s, which is very very small compared to the time between two successive collisions.
Reason : This is an experimental fact.

A
If both Assertion and Reason are true and the Reason is correct explanation of the Assertion

B
If both Assertion and Reason are true, but Reason is not correct explanation of the Assertion

C
If Assertion is true; the Reason is false

D
If Assertion is false, but the reason is true
Question 5
4 / -1

The temperature of a gas at pressure P and volume V is 27°C. Keeping the volume constant if its temperature is raised to 927C, then its pressure will he

A
2 P

B
3 P

C
4 P

D
6 P

Solution
Question 6
4 / -1

When a van der waal’s gas undergoes free expansion then its temperature

A
Decreases

B
Increases

C
Does not change

D
Depends upon the nature of the gas
Question 7
4 / -1

Volume, pressure and temperature of an ideal gas are V, P and T respectively. If mass of its molecules is m, then its density is [k= boltzmann’s constant)

A

B

C

D

Solution
Question 8
4 / -1

Boyle’s law holds for an ideal gas during

A
Isobaric changes

B
Isothermal changes

C
Isochoric changes

D
Isotonic changes
Question 9
4 / -1

S.I. unit of universal gas constant is

A
cal/°C

B
J/mol

C
J mol^–1 K^–1

D
J/kg
Question 10
4 / -1

Molecules of a gas behave like

A
Inelastic rigid sphere

B
Perfectly elastic non-rigid sphere

C
Perfectly elastic rigid sphere

D
Inelastic non-rigid sphere