'Total internal reflection occurs' diaporamas de présentation

Chapter 33

Chapter 33. The Nature and Propagation of Light. Reflection and Refraction. Reflection. Reflection. We will focus on specular reflection. The Law of Reflection. All angles are measured with respect to the normal. normal. Multiple reflections. The image. Where is the image?.

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Fresnel's Equations for Reflection and Refraction

Fresnel's Equations for Reflection and Refraction. Incident, transmitted, and reflected beams at interfaces Reflection and transmission coefficients The Fresnel Equations Brewster's Angle Total internal reflection Power reflectance and transmittance Phase shifts in reflection

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Ex. 26.2 A concave mirror has a 30 cm radius of curvature.

Ex. 26.2 A concave mirror has a 30 cm radius of curvature. If an object is placed 10 cm from the mirror, where will the image be found?. Case 5: p < f. f = R/2 = 15 cm, p = 10 cm 1/p + 1/q = 1/f ? 1/10 + 1/q = 1/15 3/30 + 1/q = 2/30 1/q = -1/30 q = -30 cm. q < 0. Real or Virtual

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Ex. 26.2 A concave mirror has a 30 cm radius of curvature.

Ex. 26.2 A concave mirror has a 30 cm radius of curvature. If an object is placed 10 cm from the mirror, where will the image be found?. Case 5: p < f. f = R/2 = 15 cm, p = 10 cm 1/p + 1/q = 1/f ? 1/10 + 1/q = 1/15 3/30 + 1/q = 2/30 1/q = -1/30 q = -30 cm. q < 0. Real or Virtual

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Ex. 26.2 A concave mirror has a 30 cm radius of curvature.

Ex. 26.2 A concave mirror has a 30 cm radius of curvature. If an object is placed 10 cm from the mirror, where will the image be found?. Case 5: p < f. f = R/2 = 15 cm, p = 10 cm 1/p + 1/q = 1/f ? 1/10 + 1/q = 1/15 3/30 + 1/q = 2/30 1/q = -1/30 q = -30 cm. q < 0. Real or Virtual

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Chapter 22

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Refraction and Lenses

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Refraction

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Total Internal Reflection

Total Internal Reflection. Using Optical Fibres. Total Internal Reflection. Total internal reflection occurs when the angle of incidence is greater than the critical angle. Light is travelling from less dense substance (glass) to less dense substance (air). Optical Fibre.

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