HARD
11th West Bengal Board
IMPORTANT
Earn 100

Write expressions for the mean free path of a molecule in a gas in terms of temperature and pressure of the gas.

Important Questions on Kinetic Theory of Gases

MEDIUM
11th West Bengal Board
IMPORTANT
Speed of a molecule is about 500 m/s, still the smell of perfume lingers for a long time in a room.
HARD
11th West Bengal Board
IMPORTANT
In gas can all the molecules move with the same speed ?
EASY
11th West Bengal Board
IMPORTANT
Is there any law regarding the number of molecules having speeds between different ranges? In which conditions this law holds?
HARD
11th West Bengal Board
IMPORTANT
Draw suitable graph showing the distribution of molecular speeds in a gas at a particular temperatures. Indicate the approximate positions of most probable speed, mean speed and r.m.s. speeds in that graph.
EASY
11th West Bengal Board
IMPORTANT
Show the expressions for most probable speed, mean speed and r.m.s. speed and find their relative magnitudes.
EASY
11th West Bengal Board
IMPORTANT
From the Nv-v graph showing the Maxwellian distribution of speeds how we may find the number of molecules having speeds between v1 and v2?
MEDIUM
11th West Bengal Board
IMPORTANT
What are degrees of freedom of a body?
EASY
11th West Bengal Board
IMPORTANT
Calculate the internal energy of a gas whose molecule have degrees of freedom 3 and 5 respectively.