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26.4. Polarization and the Reflection and Refraction of Light

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Presentation on theme: "26.4. Polarization and the Reflection and Refraction of Light"— Presentation transcript:

1 26.4. Polarization and the Reflection and Refraction of Light
Electromagnetic Wave

2 Polarized and Unpolarized Light

3 26.4. Polarization and the Reflection and Refraction of Light

4 Dispersion

5 26.5 The Dispersion of Light: Prisms and Rainbows

6 Indices of Refraction n of Crown Glass at Various Wavelengths
 Approximate Color   Wavelength in Vacuum (nm)   Index of Refraction, n   Red   660   1.520   Orange   610   1.522   Yellow   580   1.523   Green   550   1.526   Blue   470   1.531   Violet   410   1.538 

7 Simulation

8 The Physics of Rainbows
When sunlight emerges from a water droplet, the light is dispersed into its constituent colors, of which only two are shown.

9 Rainbow

10 Primary & Secondary Rainbow

11 Primary Rainbow Water droplet disperses the light into colors.

12 Secondary Rainbow Colors are reversed and less intense.


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