The second law introduces the concept of irreversibility in natural processes.

For the 2024-2025 CBSE Class 11 Physics exams, Chapter 11, “Thermodynamics,” stands out with its focus on MCQs. This chapter covers essential topics like the laws of thermodynamics, entropy and heat engines, all crucial for understanding how energy works. Expect questions that test your knowledge on energy transfer, efficiency and related concepts. To do well, it’s important to focus on mastering these topics through practice and revision. By understanding the core principles and regularly testing yourself, you’ll be ready to tackle any MCQs that come your way.