3 • Refraction of Light

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8 Terms

1
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Define Refraction

When light travels from one medium into another it bends

2
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<p><span style="color: rgb(0, 0, 0);"><span>Label This Diagram</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Refraction</span></em></span></p>

Label This Diagram

Refraction

a - incidence ray

b - refracted ray

c - normal

d - angle of incidence

e - angle of refraction

f - air

g - glass

3
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State the laws of refraction • 1

Incident ray, normal and refracted ray all lie on the same plane

4
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State the laws of refraction • 2

Snells Law - The sine of the angle of incidence is proportional to the sine of the angle of refraction

5
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Define Refractive Index (n)

The ratio of the sine of the angle of incidence to the ratio of the angle of refraction when light travels from a vacuum to a medium

6
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<p><span style="color: rgb(0, 0, 0);"><span>Label This Formula</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Refractive Index - Snells Law</span></em></span></p>

Label This Formula

Refractive Index - Snells Law

n - refractive index

i - angle of incidence

r - angle of refraction

7
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What page of the log tables can you find the Refractive Index (Snells Law) Formulae?

60

8
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State This Formula

Refractive Index - Depth

n = real depth / apparent depth