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Optics Crossword Puzzle

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Optics



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Across Down
6 The depth that an object appears to be at due to the refraction of light in a transparent medium
7 The changing of shape of the eye lens by eye muscles to allow a sharply focused image to form on the retina
10 The angle between the incident ray and the normal
11 A clear fluid that helps the cornea keeps its rounded shape
12 The angle of incidence that results in an angle of refraction of 90
15 A mirror shaped like part of the surface of a sphere in which the inner surface is reflective
17 The reflection of light off of an irregular or dull surface
18 The production of light as a result of high temperature
19 When you are near-sighted
20 A virtual image that forms as a result of refraction and total internal reflection in Earth's atmosphere
1 The bending or change in the direction of light when it travels from one medium to another
2 When you are far-sighted
3 To meet a common point
4 When a material transmits some incident light
5 The reflection of light off of a smooth surface
8 A tough, clear covering over the iris and the pupil that helps protect the eye
9 A clear,flexible structure that makes an image in the eye's retina
13 A method of energy transfer that doesn't require a medium
14 The line through the centre of culvature to the midpoint of the mirror
16 Electromagnetic waves that the human eye can detect
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