Total internal reflection occurs when light moves from

Assessment: JAMB UTME - Physics - 2000 Subject: Physics

Question 1 Report

Total internal reflection occurs when light moves from
Answer Details
Total internal reflection occurs when light moves from a denser medium to a less dense medium. This happens when light strikes the boundary between the two media at an angle greater than the critical angle, which is the angle of incidence that produces an angle of refraction of 90 degrees. At this angle, the light is completely reflected back into the denser medium, and none of it is transmitted into the less dense medium. This phenomenon is used in various optical devices, such as fiber optics and prisms.

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