The textbook is copyrighted by New Age International Publishers . Uploading or downloading unauthorized PDFs violates Indian copyright law (Copyright Act, 1957, amended 2012). Universities can and sometimes do block access to such sites.

| Feature | S.O. Pillai | Charles Kittel | Ashcroft & Mermin | Omar (also popular) | |---------------------|-----------------|--------------------|----------------------|----------------------| | | B.Sc. / M.Sc. (India) | Advanced B.Sc. | M.Sc. / PhD | B.Sc. / M.Sc. | | Math rigor | Moderate | Moderate | High | Moderate | | Solved problems | Many | Few | Very few | Moderate | | Applications | High | Low | Low | Medium | | Best for | Exam prep, self-study | Conceptual depth | Research prep | Alternative to Pillai |

This concept introduces the idea of :

Do you need help finding that host this textbook? Share public link

Explains the Langevin theory and Weiss molecular field theory.