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Physics Exam  >  Physics Tests  >  Topic wise Tests for IIT JAM Physics  >  Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Physics MCQ

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


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10 Questions MCQ Test Topic wise Tests for IIT JAM Physics - Kinetic Theory Of Gases MCQ Level – 1(Part - 1)

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) for Physics 2024 is part of Topic wise Tests for IIT JAM Physics preparation. The Kinetic Theory Of Gases MCQ Level – 1(Part - 1) questions and answers have been prepared according to the Physics exam syllabus.The Kinetic Theory Of Gases MCQ Level – 1(Part - 1) MCQs are made for Physics 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.
Solutions of Kinetic Theory Of Gases MCQ Level – 1(Part - 1) questions in English are available as part of our Topic wise Tests for IIT JAM Physics for Physics & Kinetic Theory Of Gases MCQ Level – 1(Part - 1) solutions in Hindi for Topic wise Tests for IIT JAM Physics course. Download more important topics, notes, lectures and mock test series for Physics Exam by signing up for free. Attempt Kinetic Theory Of Gases MCQ Level – 1(Part - 1) | 10 questions in 30 minutes | Mock test for Physics preparation | Free important questions MCQ to study Topic wise Tests for IIT JAM Physics for Physics Exam | Download free PDF with solutions
Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 1
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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
pv2 = constant 
 or
dT = constant
The correct answer is: 

Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 2
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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
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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.
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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
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The energy density u/V of an ideal gas is related to its pressure p as.
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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
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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
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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
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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
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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
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Formula for average speed of a gas having M molecular mass.
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Kinetic Theory Of Gases MCQ Level – 1(Part - 1) - Question 9
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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
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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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