engineering physics MCQ #2786

The change in entropy when a hot body is brought into contact with a cold body is

engineering physics MCQ #2786

  1. Question 1

    Q1. The change in entropy when a hot body is brought into contact with a cold body is

    • A) Positive
    • B) Negative
    • C) Zero
    • D) Depends on the bodies

    Answer: Positive

    Explanation: When a hot body is brought into contact with a cold body, the total entropy increases, as the process is irreversible.