The diagram below shows light incident at an angle of 30° at a transparent rectangular slabmade of medium B with refractive index ng = 2.0. Medium B is surrounded on all sides by medium Awith refractive index na = 1.0. The thickness of the transparent slab is 60 cm.(a) Draw a neatly labeled diagram to show the path light takes as it passes through the slab and emergeson the other side.(b) How long does it take for light to cross the slab and emerge on the other side? Please express yourfinal answer in units of nanoseconds using only two significant figures.(c) If the refractive index of medium A were increased to 1.5 and the experiment repeated, would thetime taken by the wave to cross the slab increase, decrease or remain the same? Please explain with-out doing a calculation.Incident raymedium Bnormalmedium A60 ст

Answered: The diagram below shows light incident…

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