1.
A cylinder of radius and thermal conductivity is surrounded by a cylindrical shell of linear radius and outer radius, whose thermal conductivity is There is no loss of heat across cylindrical surfaces, when the ends of the combined system are maintained at temperatures . The effective thermal conductivity of the system, in the steady state is
2.
At room temperature (27the rms speed of the molecules of a certain diatomic gas is found to be 1920 m. The gas is
3.
The equation of state of a gas is given by where and are constants. The isotherms can be represented by where and depend only on temperature and
4.
of gas is taken at and pressure Find out volume of gas (in litre)
5.
Two gases of equal mass are in thermal equilibrium. If and and are their respective pressure and volumes, then which relation is true
6.
The figure shows the volume versus temperature graphs for a certain mass of a perfect gas at two constant pressures of and What inference can you draw from the graphs
7.
A monoatomic gas is kept at room temperature Calculate the average kinetic energy of gas molecule
(Use units)
8.
Volume of gas becomes four times if
9.
If and denote the specific heats of nitrogen per unit mass at constant pressure and constant volume respectively, then
10.
A volume and pressure diagram was obtained from state 1 to state 2 when a given mass of a gas is subjected to temperature changes. During this process the gas is