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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
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 (27
the rms speed of the molecules of a certain diatomic gas is found to be 1920 m
. The gas is
the 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
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)
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
and and are their respective pressure and volumes, then which relation is true