Phys 1.4 Endoscopes 3.0 / 5 based on 1 rating ? PhysicsMedical PhysicsGCSEAQA Created by: DanCreated on: 02-05-13 17:53 When light passes from glass to air what direction is light refracted? Away from the normal 1 of 10 What else can be seen? A partially reflected ray 2 of 10 What is a critical angle? Where the ray of light refracts along the boundary (Glass) 3 of 10 How does total internal reflection take place? When the angle of incidence is equal to the angle of reflection 4 of 10 How do we work out the refractive index using a critical angle? N = 1 / SinC 5 of 10 What is N? Refractive index 6 of 10 What is C? Critical angle 7 of 10 What is an endoscope? A bundle of fibre optic wires that reflect visible light 8 of 10 What can endoscopes be used for? Looking inside the human body without the use of surgery 9 of 10 How is visible light sent along these fibres? Internal reflection 10 of 10
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