Reflection by thin layers. In the figure, light is incident perpendicu

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Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of material 2 that lies between (thicker) materials 1 and 3. (The rays are tilted only for clarity.) The waves of rays r1 and r2 interfere, and here we consider the type of interference to be either maximum (max) or minimum (min). The table below provides the indexes of refraction n1, n2, and n3, the type of interference, and the wavelength λ in nanometers of the light as measured in air. Give the third least thickness L. n1 n2 n3 Type L λ 1.271.70 1.43 max 3rd 390

$Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of material 2 that lies between (thicker) materials 1 and 3. (The rays are tilted only for clarity.) The waves of rays r1 and r2 interfere, and here we consider the type of interference to be either maximum (max) or minimum (min). The table below provides the indexes of refraction n1, n2, and n3, the type of interference, and the wavelength λ in nanometers of the light as measured in air. Give the third least thickness L. n1 n2 n3 Type L λ 1.271.70 1.43 max 3rd 390$

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Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of material 2 that lies between (thicker) materials 1 and 3. (The rays are tilted only for clarity.) The waves of rays

r_{1}

and

r_{2}

interfere, and here we consider the type of interference to be either maximum (max) or minimum (min). The table below provides the indexes of refraction

n_{1}, n_{2}

, and

n_{3}

, the type of interference, and the wavelength

λ

in nanometers of the light as measured in air. Give the third least thickness

L

.

n_{1} n_{2} n_{3}

Type

L λ

\begin{array}{llllll} 1.27 & 1.70 & 1.43 & max & 3 r d & 390 \end{array}

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$Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of material 2 that lies between (thicker) materials 1 and 3. (The rays are tilted only for clarity.) The waves of rays r1 and r2 interfere, and here we consider the type of interference to be either maximum (max) or minimum (min). The table below provides the indexes of refraction n1, n2, and n3, the type of interference, and the wavelength λ in nanometers of the light as measured in air. Give the third least thickness L. n1 n2 n3 Type L λ Number Units$

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$Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of material 2 that lies between (thicker) materials 1 and 3. (The rays are tilted only for clarity.) The waves of rays r1 and r2 interfere, and here we consider the type of interference to be either maximum (max) or minimum (min). The table below provides the indexes of refraction n1, n2, and n3, the type of interference, and the thinlayer thickness L in nanometers. Give the wavelength that is in the visible range. n1 n2 n3 Type L λ 1.37 1.79 1.40 max 354$

Solution

$Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of material 2 that lies between (thicker) materials 1 and 3. (The rays are tilted only for clarity.) The waves of rays r1 and r2 interfere, and here we consider the type of interference to be either maximum (max) or minimum (min). The table below provides the indexes of refraction n1, n2, and n3, the type of interference, and the thin layer thickness L in nanometers. Give the wavelength that is in the visible range. n1 n2 n3 Type L λ 1.33 1.79 1.40 max 362$

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