The object will be visible to any of the light from the object comes into our eye by an object of that type may have light in ourselves makes us visible, or if the object type does not have light in ourselves will need to have the light from the light source, the other touching the object. Laeosathon so eye will allow us to see the object. When the light moving through objects that have different densities, such as water to air to make light slow down or speed up the journey. Result from the original Ben to light. The skin around the joints of the water and the air. Call the light changed from their original orientation that this radiation, refraction. We see the image of the pencil, see shallow than fact, because there are light to change direction when passing from the water into the air. Location see the pencil is not the true position.
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