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Four particles have velocities $1, 0, 2$ and $3 m s^{- 1}$ . The root mean square velocity of the particles (definition wise) is,

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Important Questions on Thermometry, Thermal Expansion and Kinetic Theory of Gases

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JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 1

The temperature of an ideal gas is increased from

27 ° C

927 ° C

. The RMS speed of its molecules become,

HARD

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 2

In case of hydrogen and oxygen at

N T P

, which of the following is the same for both?

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Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 3

The average kinetic energy of the molecules of an ideal gas at

10 ° C

has the value

E

. The temperature at which the kinetic energy of the same gas becomes

2 E

is,

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JEE Advanced

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Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 4

A polyatomic gas with

n

degrees of freedom has a mean energy per molecule given by,

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JEE Advanced

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Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 5

In a process, the pressure of a gas remains constant. If the temperature is doubled, then the change in the volume will be,

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JEE Advanced

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Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 6

A steel rod of length

1 m

is heated from

25 °

75 ° C

keeping its length constant. The longitudinal strain developed in the rod is (given, the coefficient of linear expansion of steel

= 12 \times 10^{- 6} ° C^{- 1}

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JEE Advanced

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Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 7

The coefficient of linear expansion of steel and brass are

11 \times 10^{- 6} ° C^{- 1}

and

19 \times 10^{- 6} ° C^{- 1}

, respectively. If their difference in lengths at all temperatures has to kept constant at

30 cm

, their lengths at

0 ° C

should be respectively,

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JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Exercises>Q 8

The expansion of an ideal gas of mass $m$ at a constant pressure $p$ is given by the straight line $B$ . Then, the expansion of the same ideal gas of mass $2 m$ at a pressure $2 p$ is given by the straight line

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Four particles have velocities 1, 0, 2 and 3 m s-1. The root mean square velocity of the particles (definition wise) is,

Important Questions on Thermometry, Thermal Expansion and Kinetic Theory of Gases

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Four particles have velocities $1, 0, 2$ and $3 m s^{- 1}$ . The root mean square velocity of the particles (definition wise) is,