Foucault knife edge test - Alchetron, the free social encyclopedia
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Foucault knife edge test - Alchetron, the free social encyclopedia
The Foucault knifeedge test was described in 1858 by French physicist Lon Foucault to measure conic shapes of optical mirrors, with error margins measurable in fractions of wavelengths of light (or Angstroms, millionths of an inch, or nanometers). It is commonly used by amateur telescope makers fo
Aug 18, 2017
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The Foucault pendulum experiment convicts in setting a long pendulum in motion at a point on the surface of the rotating Earth with its momentum originally in the vertical plane containing the pendulum bob and the point of suspension. Show that the pendulum's subsequent motion they be described by saying that the plane of oscillation rotates uniformly 2 πcos θradians per day, where θis the co-latitude. What is the direction of rotation? The approximation of small oscillations may be used, if des
The Foucault pendulum experiment convicts in setting a long pendulum in motion at a point on the surface of the rotating Earth with its momentum originally in the vertical plane containing the pendulum bob and the point of suspension. Show that the pendulum's subsequent motion they be described by saying that the plane of oscillation rotates uniformly 2 πcos θradians per day, where θis the co-latitude. What is the direction of rotation? The approximation of small oscillations may be used, if des
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