Question

The temperature of a solid object is observed to be constant during a period. In this period
(a) heat may have been supplied to the body
(b) heat may have been extracted from the body
(c) no heat is supplied to the body
(d) no heat is extracted from the body

Answer 1

Ello..✌✌

Here two options will be true.

(a) heat may have been supplied to the body

(b) heat may have been extracted from the body

Answer 2

Explanation:

option a is the correct