Investigating Refraction of Light

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# Investigating Refraction of Light - PowerPoint PPT Presentation

Investigating Refraction of Light. Created for CVCA Physics By Dick Heckathorn 28 May 2K+1. Table of Contents. 2 Light from Air into Plastic 8 Light from Plastic into Air 15 Determine Critical Angle 18 Light through a Prism. Refraction. Light traveling from air into plastic.

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### InvestigatingRefraction of Light

Created for CVCA Physics

By

Dick Heckathorn

28 May 2K+1

2 Light from Air into Plastic

8 Light from Plastic into Air

15 Determine Critical Angle

18 Light through a Prism

Refraction

Light

traveling from

air

into

plastic.

Refraction

N

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Light

traveling from

plastic

into

air.

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Plastic 1.51

Calculate angle r

Refraction

Air 1.00

Calculate angle r

Calculator says ?

All is reflected

No refraction

Plastic 1.51

Refraction

Air 1.00

Calculate angle r

Calculator says?

Plastic 1.51

Finding the Critical Angle

What will be the angle

in plastic when the

angle in air is 900

Finding the Critical Angle

N

Air 1.00

Plastic 1.51

Measure angle i

Draw ray i

Air 1.00

Draw ray r

Calculate angle r

60o

Draw ray r

Find new angle i

Calculate angle r

Plastic 1.51

60o

60o

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51

Refraction

Air 1.00

Plastic 1.51