Angle of incidence Refraction example.jpg
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Angle of incidence Refraction example, An example of refraction at a steep angle of incidence
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Angle of incidence Refraction example, Refraction by water
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角度 屈折の例、急角度の屈折の例
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角 屈折の例 水による屈折
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angle of refraction angle of incidence refraction incidence refract refractivity refractive refracting telescope right angle right-angled