9
QuizMultiple Choice
Lesson 6: Second Law of Thermodynamics
Question 9 of 10 • Physics Sem 1 2025-2026
The diagram is a real-world example of the first and second laws of thermodynamics. It shows how thermal energy is used to generate electricity.Which best describes how the diagram illustrates both laws of thermodynamics?
Answer
A
First law: High-temperature steam flows to an area of lower temperature in the turbines.Second law: Thermal energy is used to do work on the turbines.B
First law: Thermal energy is used to do work on the turbines.Second law: High-temperature steam flows to an area of lower temperatures in the turbines.C
First law: Some thermal energy is lost to the surrounding environment as it travels through the system.Second law: Kinetic energy is used to turn an electrical generator.D
First law: Kinetic energy is used to turn an electrical generator. Second law: Some thermal energy is lost to the surrounding environment as it travels through the system.