A piece of hot copper at `100^(@)`C is plunged into a pond at `30^(@)`C. The copper cools down to `30^(@)`C, while the pond, being huge, stays at its initial temperature. Then-

Options

A. Copper loses some entropy, the pond stays at the same entropy
B. Copper loses some entropy, and the pond gains exactly the same amount of entropy
C. Copper loses entropy and the pond gains more than this amount of entropy
D. Both copper and the pond gain in entropy

Answer

C

Explanation

Using theory of entropy it is evident that answer is (c).