HARD
11th West Bengal Board
IMPORTANT
Earn 100

What is degrees of freedom? Explain why monatomic, diatomic, triatomic and polyatomic molecules should have different degrees of freedom and what should be their respective values.

Important Questions on Kinetic Theory of Gases

HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 10
Draw suitable graphs and explain qualitatively the essential facts that we know from Maxwell's law of distribution of molecular speed.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 11
What is most probable speed of the gas molecules? Compare its value with the mean and r.m.s. speeds of the gas molecules.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 12
What is mean free path of a molecule? Write down an expression for the mean free path of a molecule and explain how it depends on molecular density, pressure and temperature of a gas.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 13
Derive an expression for the mean free path of a molecule.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 14
State the characteristics of Brownian motion.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 15
How Brownian motion could be explained on the basis of thermal motion of the molecules?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 17
What modifications in the basic assumptions of kinetic theory was introduced by Van-der-Waals? Explain qualitatively how he arrived at the modified equation.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 20 - Kinetic Theory of Gases>EXERCISE>Q 18

Write down the Van-der-Waals equation for real gases. Explain the terms of the equation. Explain why this equation is to be regarded as an empirical equation.