![]() (ii) Lateral shift is directly proportional to the incident angle. (i) Lateral shift is directly proportional to the thickness of glass slab. Lateral shift is the perpendicular distance between the incident and emergent rays when light is incident obliquely on a refracting slab with parallel faces.įactors on which lateral shift depends are : There is shift in the path of light on emerging from a refracting medium with parallel faces. Thus the emergent ray FD is parallel to the incident rays AE, but it has been laterally displaced with respect to the incident ray. The emerged ray FD bends away from the normal at an angle of refraction e. The refracted ray EF is incident on face SR at an angle of incidence r'. On entering the glass slab, it bends towards normal and travels along EF at an angle of refraction r. A ray AE is incident on the face PQ at an angle of incidence i. (a) Refraction through a rectangular glass slab and principle of reversibility of light :Ĭonsider a rectangular glass slab, as shown in figure. Engineering - Data Structure & Algorithms.Engineering - Data Communication & Networks. ![]() ![]() Engineering - Database Management System.Physics Class 12 Practical Viva Questions.
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