The temperature of an object is observed to rice in a period In this period

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 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 an object is observed to rise in a period. During this period

The temperature of a solid object is observed to be constant during a period .In this period