Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 4

EASY

11th Telangana Board

IMPORTANT

Earn 100

Prove that the average kinetic energy of a molecule of an ideal gas is directly proportional to the absolute temperature of the gas.

Important Questions on Kinetic Theory

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 5

Two thermally insulated vessels

1

and

2

of volumes

V_{1}

and

V_{2}

are joined with a valve and filled with air at temperature

(T_{1}, T_{2})

and pressures

(P_{1}, P_{2})

respectively. If the valve joining the two vessels is opened, what will be the temperature inside the vessels at equilibrium.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 6

What is the ratio of r.m.s speed of Oxygen and Hydrogen molecules at the same temperature?

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 7

Four molecules of a gas have speeds

1 km / s, 2 km / s, 3 km / s

and

4 km / s

. Find the rms speed of the gas molecule.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 8

If gas has 'f' degrees of freedom, find the ratio of C_P and C_V.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 9

Calculate the molecular K.E of

1

gram of Helium (Molecular weight

4

) at

127 ° C

. Given

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

.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 10

When pressure increases by

2 %

. What is the percentage decrease in the volume of a gas, assuming Boyle's law is obeyed?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 1

Derive an expression for the pressure of an ideal gas in a container from Kinetic theory and hence give Kinetic Interpretation of temperature.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Physics>Chapter 14 - Kinetic Theory>EXERCISES>Q 14.1

Estimate the fraction of molecular volume to the actual volume occupied by oxygen gas at STP. Take the diameter of an oxygen molecule to be

3 \overset{°}{A}

.