Question

Can absolute refractive index be less than unity? On

what factors does lateral shift depends

Answer 1

The factors are the 

1. thickness of the glass plate

2. the angle of incidence of the light on the glass surface.

3. Refractive index of a material.

Hope it helps!

Answer 2

Answer:

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Explanation:

Refractive Index of a medium depends upon the refractive index of the surroundings, optical density ,wavelength of the light and temperature.