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6
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The depth that an object appears to be at due to the refraction of light in a transparent medium
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7
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The changing of shape of the eye lens by eye muscles to allow a sharply focused image to form on the retina
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10
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The angle between the incident ray and the normal
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11
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A clear fluid that helps the cornea keeps its rounded shape
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12
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The angle of incidence that results in an angle of refraction of 90°
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15
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A mirror shaped like part of the surface of a sphere in which the inner surface is reflective
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17
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The reflection of light off of an irregular or dull surface
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18
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The production of light as a result of high temperature
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19
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When you are near-sighted
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20
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A virtual image that forms as a result of refraction and total internal reflection in Earth's atmosphere
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