One thought on “3.21 explain the meaning of critical angle c”
Just curious about the answer as the book says ‘ the critical angle is the smallest possible angle of incidence at which light rays are totally internally reflected’ so is this the same answer as the website?
Just curious about the answer as the book says ‘ the critical angle is the smallest possible angle of incidence at which light rays are totally internally reflected’ so is this the same answer as the website?
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