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Описание: Total Internal Reflection & Critical Angle explained in the simplest way!
Perfect for Class 10th & 12th CBSE/ICSE/State Board students preparing for Board Exam 2026.
This concept is extremely important for Optics, Light Chapter, NEET 2026, and JEE 2026.

What’s covered?
✔ Total Internal Reflection
✔ Critical Angle