Physics, 06.12.2019 02:31 Janznznz4012
Alayer of liquid b floats on liquid a. a ray of light begins in liquid a and undergoes total internal reflection at the interface between the liquids when the angle of incidence exceeds 38.0°. when liquid b is replaced with liquid c, total internal reflection occurs for angles of incidence greater than 49.5°. find the ratio nb/nc of the refractive indices of liquids b and c. nb/nc =?
Answers: 3
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