The temperature of an object is observed to rise in a period. In this period
(i) Heat is certainly supplied to it
(ii) Heat is certainly not supplied to it
(iii) heat may have been supplied to it
(iv) work may have been done on it.

The temperature of a solid object is observed to be constant during a priod. In the period (i) Heat may have been supplied to the body (ii) heat may have been extracted from the body (iii) no heat is supplied to the body (iv) no heat is extracted from the body

If heat a supplied to a solid, its temperature

If heat a supplied to a solid, its temperature

When heat is supplied to a sample of matter, it may show

"After the steady state, the temperature of a conductor does not rise, even though heat is supplied",. Why?

How much heat must be supplied to nitrogen in a process of heating at constant pressure that the gas may perform 2 joules of work?

A thermos flask contains coffee. It is shaken vigorously. (i) Has any heat been added to it. (ii) Has any work been done on it. (iii) Does it internal energy change? (iv) Does its temp. rise?