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The correct curve between $\frac{V}{T}$ and $(\frac{1}{V})$ for an ideal gas at constant pressure is

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Important Questions on Kinetic Theory of Gases and Thermodynamics

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 25

A mixture of ideal gasses

N_{2}

and

He

are taken in the mass ratio of

14 : 1

, respectively. Molar heat capacity of the mixture at constant pressure is

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 26

Δ U = 0

in a noncyclic process of an ideal gas. The process

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 27

An ideal monoatomic gas initially at

300 K

undergoes an isobaric expansion at a pressure of

2.5 kPa

. If the volume increases from

1 m^{3}

3 m^{3}

, then heat added to the gas and its final temperature respectively are

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 28

A non-conducting container is divided into two chambers that are separated by a valve. The left chamber contains one mole of a monatomic ideal gas. The right chamber is evacuated. At some instant, the valve is opened and the gas rushes freely into the right chamber. Which are of the following statements concerning this process is true?

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 29

An ideal gas with adiabatic exponent

(γ = 1.5)

undergoes a process in which work done by the gas is same as increase in internal energy of the gas. The molar heat capacity of gas for the process is

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 30

The ratio of specific heats at constant pressure and constant volume of a gas is

\frac{4}{3}

. Then the average number of degree of freedom of the gas molecules is

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 31

A wall is made of two layers $A$ and $B$ of the same thickness but different materials as shown. The thermal conductivity of $A$ is thrice that of $B$ . In steady state, the temperature difference across the wall is $36 ° C$ . The temperature difference across the layer $A$ is

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Practice Book for KVPY Aptitude Test - Stream SA Physics>Chapter 11 - Kinetic Theory of Gases and Thermodynamics>Exercise 1>Q 32

A rod of length

ℓ

and cross section area

A

has a variable thermal conductivity given by

k = α T

, where

α

is positive constant and

T

is temperature in kelvin. Two ends of the rod are maintained at temperatures

T_{1}

and

T_{2} (T_{1} > T_{2})

. Heat current flowing through the rod will be

The correct curve between VT and 1 V for an ideal gas at constant pressure is

Important Questions on Kinetic Theory of Gases and Thermodynamics

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The correct curve between $\frac{V}{T}$ and $(\frac{1}{V})$ for an ideal gas at constant pressure is