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10 questions from this quiz
All light reflects back into the medium
90°90°90°
From denser to less dense medium
Angle of incidence > critical angle
θc=sin−1(n2n1)\theta_c = \sin^{-1}\left(\frac{n_2}{n_1}\right)θc=sin−1(n1n2)
48.8°48.8°48.8°
Total internal reflection occurs
Cladding has lower refractive index
Repeated total internal reflection
Endoscopes to see inside the body
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