Physics
Draw diagrams to illustrate critical angle and total internal reflection.
Refraction Plane Surfaces
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Answer
Below diagrams illustrate critical angle and total internal reflection:
Critical Angle Diagram:
Total Internal Reflection Diagram:
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Related Questions
Figure below shows two rays A and B travelling from water to air. If the critical angle for water-air surface is 48°, complete the ray diagram showing the refracted rays for each. State conditions when the ray will suffer total internal reflection.
State two conditions necessary for total internal reflection to occur.
Figure shows a point source P inside a water container. Three rays A, B and C starting from the source P are shown up to the water surface.
(a) Show in the diagram, the path of these rays after striking the water surface. The critical angle for water-air surface is 48°.
(b) Name the phenomenon which the rays A, B and C exhibit.
What is total internal reflection?