A transparent slab of thickness d has a refractive index n z that increases with z Here z is the vertical distance inside the

Question

A transparent slab of thickness d has a refractive index n z that increases with z Here z is the vertical distance inside the slab measured from the top The slab is placed between two media with uniform refractive indices n and n n as shown in the figure A ray of light is incident with angle 0 from medium 1 and emerges in medium 2 with refraction angle 0 with a lateral displacement I Which of the following statement s is are true A n sino n sine C I is independent of n n constant z V n 2 n constant 0 1 2 Or B n sine n n sine D I is dependent on n z

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