Total Internal Reflection - Critical Angle (Part 2) | Light and Optics

[@laibanush5431]

Why did we make "i" 90 degree and "r" c? Shouldn't it be the opposite?

[@idkmy_name7705]

this got me confused too

[@ravimishra3502]

Superb explanation brother....now I clearly understand

[@nooneknows457]

thanks bro

[@sathyakiran2124]

Part 3 plese

[@theghostoffreedom9950]

Masonic allegory