Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 1

MEDIUM

JEE Advanced

IMPORTANT

Earn 100

A vessel contains a mixture of $7 g$ of nitrogen and $11 g$ of carbon dioxide at temperature $T = 290 K$ . If the pressure of the mixture is $1 atm (= 1.01 \times 10^{5} N m^{- 2})$ , calculate its density $(R = 8.31 J {mol}^{- 1} K^{- 1})$

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

MEDIUM

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 2

An electric bulb of the volume

= 1.5 kg m^{- 3}

was sealed off during manufacture at a pressure of

10^{- 3} mm

of mercury at

27 ° C

. Compute the number of air molecules contained in the bulb. Given that

R = 8.31 J {mol}^{- 1} K^{- 1}

and

N_{A} = 6.02 \times 10^{23} per mol

.

MEDIUM

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 3

State whether $p_{1} > p_{2}$ or $p_{2} > p_{1}$ for given mass of a gas?

Question Image

EASY

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 4

For a given mass of gas what is the shape of

p

versus

\frac{1}{V}

graph at constant temperature?

EASY

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 5

For a given mass of a gas, what is the shape of

p V

versus

T

graph in the isothermal process?

MEDIUM

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 6

A gas mixture consists of

2

moles of oxygen and

4

moles of argon at temperature

T

. Neglecting all vibrational modes, the total internal energy of the system is

EASY

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.3>Q 7

The average translational kinetic energy of

O_{2}

(molar mass

32

) molecules at a particular temperature is

0.048 eV

. The translational kinetic energy of

N_{2}

(molar mass

28

) molecules in

eV

at the same temperature is

EASY

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.4>Q 1

At a given temperature, the rotational kinetic energy of diatomic gas is

K_{0}

. Find its translational and total kinetic energy.

EASY

JEE Advanced

IMPORTANT

Understanding Physics JEE Main & Advanced WAVES AND THERMODYNAMICS>Chapter 4 - Thermometry, Thermal Expansion and Kinetic Theory of Gases>INTRODUCTORY EXERCISE 20.4>Q 2

Calculate the root mean square velocity of hydrogen molecules at

373.15 K

.