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Answer:
1.From the cornea, the light passes through the pupil. The iris, or the colored part of your eye, controls the amount of light passing through. From there, it then hits the lens. This is the clear structure inside the eye that focuses light rays onto the retina.
Light first passes through the cornea at the front of the eye, and then through a watery substance called the aqueous humor which fills small chambers behind the cornea. As the light continues, it passes through the pupil, a round opening in the center of the iris.
2.The arrow looks like it has changed direction because of something called refraction. Refraction happens when light passes through one transparent (clear) thing into another, in this case, from air through the glass and water.
3.The arrow looks like it has changed direction because of something called refraction. Refraction happens when light passes through one transparent (clear) thing into another, in this case, from air through the glass and water. This is sometimes called the bending of light.