Physics-
General
Easy
Question
A metal rod of length 
has cross sectional areas 
and 
as shown in figure. The ends are maintained at temperatures 
and 
. The temperature at middle point 
is
The correct answer is:
Let 
be temperature of middle point and in series rate of heat flow is same
Related Questions to study
physics-
The coefficient of thermal conductivity of copper is nine times that of steel. In the composite cylindrical bar show in figure, what will be the temperature at the junction of copper ad steel?
The coefficient of thermal conductivity of copper is nine times that of steel. In the composite cylindrical bar show in figure, what will be the temperature at the junction of copper ad steel?
physics-General
Maths-
Which function is shown in graph?
Which function is shown in graph?
Maths-General
Maths-
Which function is shown in graph?
Which function is shown in graph?
Maths-General
Maths-
Which function is shown in graph?
Which function is shown in graph?
Maths-General
physics-
Five rods of same dimensions are arranged as shown in figure. They have thermal conductivities 
When points 
are maintained at different temperature, no heat would flow through central rod, if
Five rods of same dimensions are arranged as shown in figure. They have thermal conductivities When points are maintained at different temperature, no heat would flow through central rod, if
physics-General
physics-
If two metallic plates of equal thicknesses and thermal conductivities 
and 
are put together face to face and a common plate is constructed, then the equivalent thermal conductivity of this plate will be
If two metallic plates of equal thicknesses and thermal conductivities and are put together face to face and a common plate is constructed, then the equivalent thermal conductivity of this plate will be
physics-General
physics-
The graph, shown in the adjacent diagram, represents the variation of temperature 
of two bodies, 
and 
having same surface area, with time (
) due to the emission of radiation. Find the correct relation between the emissivity and absorptivity power of the two bodies.
The graph, shown in the adjacent diagram, represents the variation of temperature of two bodies, and having same surface area, with time () due to the emission of radiation. Find the correct relation between the emissivity and absorptivity power of the two bodies.
physics-General
maths-
maths-General
maths-
Value of 
is
Value of is
maths-General
Maths-
What is 
for two mutually exclusive sets A and B?
What is for two mutually exclusive sets A and B?
Maths-General
Maths-
Which of the following is set representing neither A nor B?
Which of the following is set representing neither A nor B?
Maths-General
Maths-
Which of the following is set representing B but not A?
Which of the following is set representing B but not A?
Maths-General
Maths-
Which of the following is set representing A but not B?
Which of the following is set representing A but not B?
Maths-General
Maths-
Which of the following is set B?
Which of the following is set B?
Maths-General
Maths-
Which of the following is set A?
Which of the following is set A?
Maths-General
