refraction +rp9.2

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7 Terms

1
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refraction is

when waves change direction passing through a medium at a different speed

2
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the denser the optical density of an object

the slower the wave travels

3
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optical density is

how fast light travels in a material

4
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if light slows down

it will curve towards the normal

5
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if light speeds up

it will curve away from normal

6
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rp for this

get a translucent object on a piece of paper and a ray box

trace the ray of incidence and emerging point as well as the point where the light hits the object

join up emerging point and ray of incidence this is angle of refraction

the other point you can draw the normal

7
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objects will have different angles of refraction because of

different optical densities