The curve between absolute temperature and $v_{\mathrm{rms}}^2$ is,

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

HARD

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 46

Volume–temperature graph at constant pressure for a mono atomic gas $(V$ in ${\mathrm{m}}^3, T$ in $°\mathrm{C})$ is,

EASY

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 47

By what factor, the $\mathrm{rms}$ velocity will change, if the temperature is raised from $27 °\mathrm{C}$ to $327 °\mathrm{C}?$

EASY

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 48

Two different gases of molecular masses $M_1$ and $M_2$ are at the same temperature. What is the ratio of their mean square speeds?

MEDIUM

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 49

In a mixture of gases, the average degree of freedom per molecule is $6.$ The RMS speed of the molecule of the gas is $c$. The velocity of sound in the gas is,

EASY

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 50

What is the degree of freedom in case of a monoatomic gas?

EASY

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 51

Two gases are at absolute temperatures $300 \mathrm{K}$ and $350 \mathrm{K}$, respectively. The ratio of average kinetic energies of their molecules is,

MEDIUM

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 52

The specific heat at constant pressure is greater than that of the same gas at constant volume because,

EASY

JEE Main

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 14 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>Objective Problems>Q 53

The average translational kinetic energy of ${\mathrm{O}}_2$ (molar mass $32$) at a particular temperature is $0.048 \mathrm{eV}$. The average translational kinetic energy of ${\mathrm{N}}_2$ (molar mass $28$) molecules in $\mathrm{eV}$ at the same temperature is,