This is an extensively compiled reference book for JEE (Main) Engineering Entrance Examinations by Target Publications. Unique, elaborative Sections are a part of every Chapter and enable students to strengthen their concept base. Questions from various Competitive Examinations like JEE (Main), Karnataka CET, BCECE, and AP EAMCET etc. are included in the Notes to help students understand the variations in questions. The purpose of these Notes is to provide students with an eclectic range of critical and advanced level MCQs to help them solve conceptually challenging questions within a stipulated time period and prepare effectively for the entrance test.