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Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - IIT JAM MCQ


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10 Questions MCQ Test - Kinetic Theory Of Gases MCQ Level – 1(Part - 1)

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) for IIT JAM 2024 is part of IIT JAM preparation. The Kinetic Theory Of Gases MCQ Level – 1(Part - 1) questions and answers have been prepared according to the IIT JAM exam syllabus.The Kinetic Theory Of Gases MCQ Level – 1(Part - 1) MCQs are made for IIT JAM 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) below.
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Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 1

At a constant pressure of the following graph, the one which represents the variation of the density of an ideal gas with the absolute temperature T, is
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 1

We know the relation between Pressure and Density.

 when P is constant
pv= constant 
 or
dT = constant
The correct answer is: 

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 2

Four molecules of a gas are having speed of 1, 4, 8 and 16 ms-1. The root mean square velocity of the gas molecules is
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 2

Root mean square speed,  


= 9.2 ms-1
The correct answer is: 9.2 ms-1

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Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 3

Root mean square velocity of gas molecule is 300 ms-1. The r.m.s velocity of molecule of gas with twice the molecular weight and half absolute temperature is.
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 3

The r.m.s. velocity


The correct answer is: 150 ms-1

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 4

The energy density u/V of an ideal gas is related to its pressure p as.
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 4

If u/V is energy density then from relation.

The correct answer is: 

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 5

A gas behaves as an ideal gas at ___________

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 5

A gas behaves as an ideal gas at low pressure and high temperature when the attractive forces between the molecules become negligible.

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 6

V versus T curves at constant pressure P1 and P2 for an ideal gas as shown in figure. Here

Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 6

From the ideal gas equation PV = nRT

or, 

But  V/T = Slope of the graph
So,  
∴  where  tanθ is the slope of the graph
So, more the slope, lesser will be the pressure.
The correct answer is:
P1 > P2

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 7

The density of air at a Pressure of 105 Nm-2 is 1.2 kgm-3. Under these condition, the root mean square velocity of the air molecule in ms-1 is
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 7

Root mean square speed, 

The correct answer is: 500

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 8

Formula for average speed of a gas having M molecular mass.
Select one:

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 9

For O2 gas molecule, the most probable speed at  temperature T is equal to 1.5 × 103 ms-1 , then temperature T is
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 9

We know, 
Then  


= 4330K
The correct answer is: 4330 K

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 10

Which of the following graphs best represents the relationship between absolute temperature of a gas and the average kinetic energy of the gas molecules?
Select one:

Detailed Solution for Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 10

We know that K.E. is directly proportional to temperature.
The correct answer is:  

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