Thermodynamics ...

Body A is in contact with body B, which is in contact with body C. The temperature of A is more than B which is more than C. Which of the following is the correct direction of flow in accordance with the zeroth law of thermodynamics. 

The temperature of A, B and C in the figure are in the order, $$T_B>T_A>T_C$$. Which of the diagrams show the correct direction of heat flow.

Two bodies at different temperatures are kept in contact. If the body at higher temperature gets hotter than it violates which law of thermodynamics?

Thermometer construction is based on the principle of:

An extensive property is 

For two bodies (which are in contact with each other) to be in thermal equilibrium, they must be separated by :

Which of the following is an example of a closed system?

"Two systems in thermal equilibrium with a third system are in thermal equilibrium with each other" is the statement of:

If specific heat of $$1$$g of coal is s then specific heat of $$10$$g of coal is _____________.

Specific heat of a substance depends on its.