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  2. Fresnel equations - Wikipedia

    en.wikipedia.org/wiki/Fresnel_equations

    The Fresnel equations give the ratio of the reflected wave's electric field to the incident wave's electric field, and the ratio of the transmitted wave's electric field to the incident wave's electric field, for each of two components of polarization. (The magnetic fields can also be related using similar coefficients.)

  3. Title 10 of the United States Code - Wikipedia

    en.wikipedia.org/wiki/Title_10_of_the_United...

    t. e. Title 10 of the United States Code outlines the role of United States Armed Forces. [ 1 ] It provides the legal basis for the roles, missions and organization of each of the services as well as the United States Department of Defense. Each of the five subtitles deals with a separate aspect or component of the armed services.

  4. Angle of incidence (optics) - Wikipedia

    en.wikipedia.org/wiki/Angle_of_incidence_(optics)

    Angle of incidence (optics) The angle of incidence, in geometric optics, is the angle between a ray incident on a surface and the line perpendicular (at 90 degree angle) to the surface at the point of incidence, called the normal. The ray can be formed by any waves, such as optical, acoustic, microwave, and X-ray.

  5. Reflection symmetry - Wikipedia

    en.wikipedia.org/wiki/Reflection_symmetry

    The figure with no axes is asymmetric. In mathematics, reflection symmetry, line symmetry, mirror symmetry, or mirror-image symmetry is symmetry with respect to a reflection. That is, a figure which does not change upon undergoing a reflection has reflectional symmetry. In 2D there is a line/axis of symmetry, in 3D a plane of symmetry.

  6. Brewster's angle - Wikipedia

    en.wikipedia.org/wiki/Brewster's_angle

    Solving for θB gives. For a glass medium (n2 ≈ 1.5) in air (n1 ≈ 1), Brewster's angle for visible light is approximately 56°, while for an air-water interface (n2 ≈ 1.33), it is approximately 53°. Since the refractive index for a given medium changes depending on the wavelength of light, Brewster's angle will also vary with wavelength.

  7. List of refractive indices - Wikipedia

    en.wikipedia.org/wiki/List_of_refractive_indices

    List of refractive indices. Refraction at interface. Many materials have a well-characterized refractive index, but these indices often depend strongly upon the frequency of light, causing optical dispersion. Standard refractive index measurements are taken at the "yellow doublet" sodium D line, with a wavelength (λ) of 589 nanometers.

  8. Total internal reflection - Wikipedia

    en.wikipedia.org/wiki/Total_internal_reflection

    , for air-to-water incident angles of 90°, 80°, and 70°, the corresponding angles of refraction are 48.6° (θ cr in Fig. 6), 47.6°, and 44.8°, indicating that the image of a point 20° above the horizon is 3.8° from the edge of Snell's window ‍ while the image of a point 10° above the horizon is only 1° from the edge. [13]

  9. Andreev reflection - Wikipedia

    en.wikipedia.org/wiki/Andreev_reflection

    Vertical arrows indicate the spin band occupied by each particle. Andreev reflection, named after the Russian physicist Alexander F. Andreev, is a type of particle scattering which occurs at interfaces between a superconductor (S) and a normal state material (N). It is a charge-transfer process by which normal current in N is converted to ...

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