Class 12 Physics | Ray Optics and Optical Instruments | Total Internal Reflection | UP Board 2023

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 1

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 2

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 3

Total Internal Reflection|| Optical Fiber||Prism

UP Board 12th Result 2023

Assertion : Optical fibers are used for telecommunication. Reason : Optical fibres are based on the phenomenon of total internal reflection.

Assertion : Optical fibres make use of total internal reflection. Reason : Light undergoes successive total internal reflections as it moves through an optical fibre.

Sanjana - 94.7% - UP Board Class 10 - 2023

Mohit Verma - 95.7% - UP Board Class 10 - 2023