Advertisements
Advertisements
प्रश्न
What is the microscopic origin of temperature?
उत्तर
The average K.E per molecule `bar"KE"` = ϵ = `3/2"kT"`
The equation implies that the temperature of a gas is a measure of the average translational K.E. per molecule of the gas.
APPEARS IN
संबंधित प्रश्न
It is said that the assumptions of kinetic theory are good for gases having low densities. Suppose a container is so evacuated that only one molecule is left in it. Which of the assumptions of kinetic theory will not be valid for such a situation? Can we assign a temperature to this gas?
Is it possible to boil water at room temperature, say 30°C? If we touch a flask containing water boiling at this temperature, will it be hot?
When you come out of a river after a dip, you feel cold. Explain.
The mean square speed of the molecules of a gas at absolute temperature T is proportional to
Answer in brief:
What will happen to the mean square speed of the molecules of a gas if the temperature of the gas increases?
In an ideal gas, the molecules possess
A gas mixture consists of molecules of types A, B and C with masses mA > mB > mC. Rank the three types of molecules in decreasing order of average K.E.
Explain why there is no atmosphere on moon.
For a particle moving in vertical circle, the total energy at different positions along the path ______.
Assuming the expression for the pressure P exerted by an ideal gas, prove that the kinetic energy per unit volume of the gas is `3/2` P.