In an experiment with a rectangular glass slab a student observed angle of incident is 55° and angle while going out of slab is 40° calculate angle of refraction and emergence.
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angle of emergence equals angle of incidence = 55°
inside the slab the angle of refraction and angle of incidence while coming out is same thus angle of refraction is 40°
inside the slab the angle of refraction and angle of incidence while coming out is same thus angle of refraction is 40°
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