Consider a slab made of three different materials X, Y, and Z. Light in the air is incident upon its bottom surface and follows the ray shown in the figure. The rays in X and Z are parallel. Which of the following gives the correct relationship among the speeds of light in each material?
Consider a slab made of three different materials X, Y, and Z. Light in the air is incident upon its bottom surface and follows the ray shown in the figure. The rays in X and Z are parallel. Which of the following gives the correct relationship among the speeds of light in each material?
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Transcribed Image Text:Consider a slab made of three different materials X, Y, and Z. Light in the air is incident upon its bottom surface
and follows the ray shown in the figure. The rays in X and Z are parallel. Which of the following gives the correct
relationship among the speeds of light in each material?
Y
A
Vz = V, > V;
В
Vz = V; > Vy
Vz = Vy < V;
D
Vz = V; < Vy
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