Class 11

Yes, there is Junior College at St. Mira's college which is equivalent to Class 11th and 12th. The courses covered are

Arts

Commerce

Science 

To study law after completing Class 12, you can complete school with any stream. Then, sit for entrance tests - CLAT, AILET, or state-based entrance tests for 5-year integrated law courses (e.g., BA LLB). Preparation during Class 11-12 requires prior preparation in English, reasoning, legal aptitude, and current affairs well.

Well there is no entrance exam required for class 11th to AMU Aligarh. However, the Aligarh Muslim University accepts entrance exam for various courses including B.Com, BA LLB, M.Com, B.Sc, MBA, the university accepts entrance exam like Common University Entrance Test CUET UG & their own Aligarh Muslim University Entrance Test are required for admission whose admit cards were already released on 4th April and the exams are also conducted already. For more information you can visit the official website of college.

No,  Apeejay College of Fine Arts (Jalandhar) does not offer classes for 11th and 12th (Higher Secondary Education). It is a degree-level institution primarily offering undergraduate (UG) and postgraduate (PG) programs 

Chapter 2 is Structure of Atom, aka the OG Science breakdown of how literally everything exists. You'll learn stuff like Bohr's model, orbitals, quantum numbers — all the nerdy magic that makes atoms behave. Sounds heavy, but once you get the hang of it, it lowkey feels like unlocking the Matrix. Trust the process, and maybe don't sleep through this one.