Investigating Refraction of Light

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Presentation transcript:

Investigating Refraction of Light Created for CVCA Physics By Dick Heckathorn 23 May 2K + 5

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.

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 Calculate angle r Calculator says ? All is reflected 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 Air 1.00 Plastic 1.51

Finding the Critical Angle

Measure angle i Draw ray i Air 1.00 Draw ray r Calculate angle r 60o Draw ray r Calculate angle r Find new angle i 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