Total Internal Reflection and Critical Angle

This lecture is about total internal reflection and critical angle in physics. I will teach you all the important concepts of total internal reflection and critical angle with many daily life examples.
Following queries are solved in this lecture.
Q: What is total internal reflection?
Q: What is critical angle?
To learn more, watch this lecture till the end.
#totalinternalreflection
#criticalangle
#physics
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Thank you sir, from your explanation it means different medium will have different critical angle..

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