An aquarium filled with water (nn = 1.33) has flat glass sides whose index of refraction is 1.52. A beam of light from outside the aquarium strikes the glass at a 43.5∘∘ angle to the perpendicular (Figure 1).
Part A: What is the angle of this light ray when it enters the glass?
Part B; What is the angle of this light ray when it enters the water?
Part C: What would be the refracted angle if the ray entered the water directly?
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