Table of Contents
ToggleClass-12th Physics Ray Optics and Optical Instruments
TOPICS
Lecture-1 (Introduction, Reflection, Sign Convention)
Lecture-2 (Mirror Formula)
Lecture-3 (Refraction, Snell’s Law, Real Depth and Apparent Depth)
Lecture-4 (Total Internal Reflection TIR)
Lecture-5 (Refraction at Spherical Surface from RARER to DENSER medium)
Lecture-6 (Refraction at Spherical Surface from DENSER to RARER medium)
Lecture-7 (Lens Maker’s Formula)
Lecture-8 (Power of Lens, Lens Formula)
Lecture-9 (Prism Derivation)
Lecture-10 (Simple Microscope and Compound Microscope)
Lecture-11 (Telescope Normal Adjustment for Infinity and Near Point)
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Ray Optics and Optical Instruments in Class 12 Physics: NCERT Chapter 9 Free Notes for the Best Revision
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Retention and Memory: Students’ retention of the content covered in Class 12 Physics Ray Optics and Optical Instruments is improved by going over and over it again. By fortifying memory pathways, it facilitates information recall both during and after exams.
Knowledge Consolidation: Revision of notes is fundamentally a process of knowledge consolidation. This entails strengthening your comprehension overall by tying new information to what you currently know.
The spacing effect: It has been demonstrated that spacing out review sessions over time, as opposed to cramming everything at once, improves long-term recall. Make a revision plan in advance of the tests so that you can practise in little doses.
Regular Revision Over Cramming: Throughout the academic year, it is crucial to revise on a regular and consistent basis. It can be daunting and less productive to squeeze everything in at the last minute as opposed to revising gradually.
Self-Assessment: Use tests or quizzes to evaluate your comprehension on a regular basis. This makes it easier for you to assess your development and pinpoint areas that require more care. See the online tests for Class 12 Ray Optics and Optical Instruments.
Balanced Approach: Encourage pupils to balance their time between studying and other tasks. For the best learning and performance, one must have enough sleep, exercise, and relaxation.