spherical mirror वाक्य
उदाहरण वाक्य
मोबाइल
- The confocal laser cavity consisted of a spherical mirror at the output end with a flat mirror at the center of curvature at the other end.
- This consists of one or more lenses and / or mirrors introduced into the optical path that make the desired mirror look like a perfectly spherical mirror.
- If we had the apple both in front of a flat mirror and above a spherical mirror, we would see different sides of the apple in both.
- However, for a spherical conductor, the image charge is at a "'different "'location from the optical image in a spherical mirror.
- Three images were obtained through the use of a CCD camera mounted on the Uppsala Southern Schmidt Telescope with a spherical mirror of 0.5 meters in diameter.
- Assuming a spherical mirror, the distortion has been correctly portrayed, except for the leftmost part of the window frame, the near edge of the table and the hem of the dress.
- For a spherical mirror, all you have to do is rotate the mirror and randomly grind the surface, and as if by itself, the mirror will grind to a perfect sphere.
- The Allen Commission found that the main null corrector, a testing device used to achieve a properly shaped non-spherical mirror, had been incorrectly assembled one lens was out of position by 1.3 mm.
- Unlike a spherical mirror, a bundle of parallel rays parallel to the optical axis will be perfectly focused to a point ( the mirror is free of spherical aberration ), no matter where they strike the mirror.
- The most common non-spherical type are parabolic reflectors, found in optical devices such as reflecting telescopes that need to image distant objects, since spherical mirror systems, like spherical lenses, suffer from spherical aberration.
- This aspheric lens has a complex curve that is convex near its middle and concave near its periphery that creates the opposite spherical aberration of the spherical mirror it is paired with, canceling out the mirror's spherical aberration.
- Various designs have made it to production, including the " direct " CRT-lens design, and the Schmidt-CRT, which employed a phosphor screen that illuminates a perforated spherical mirror, all within an evacuated " tube ."
- That question has the advantage that Dismas may find a real concave spherical mirror easily to do the experiment ( not a whole sphere, but enough of one to get the idea ) : bathroom shaving mirrors are often concave spherical on one side.
- In optics, Alhazen's problem is " " Given a light source and a spherical mirror, find the point on the mirror where the light will be reflected to the eye of an observer . " " This leads to a quartic equation.
- Many of the advances in reflecting telescopes included the perfection of catadioptric telescopes such as the Schmidt camera, which use both a spherical mirror and a lens ( called a corrector plate ) as primary optical elements, mainly used for wide-field imaging without spherical aberration.
- The spectrographs use a technique called OH-suppression to increase the sensitivity of the observations : The incoming light from the fibres is dispersed to a relatively high resolution and this spectrum forms an image on a pair of spherical mirrors which have been etched at the positions corresponding to the bright OH-lines.
- Each telescope consists of a spherical mirror with a Mo-Si layered synthetic microstructure ( LSM ) or Multilayer coating, a curved profile microchannel plate detector located at the telescope's prime focus, a UV background-rejecting filter, electron rejecting magnets at the telescope aperture, and image processing readout electronics.
- Firearm sights, such as some red dot sights, try to correct for this via not focusing the reticle at infinity, but instead at some finite distance, a designed target range where the reticle will show very little movement due to parallax . but this refers to an optical system that compensates for off axis spherical aberration, an optical error induced by the spherical mirror used in the sight that can cause the reticle position to diverge off the sight's optical axis with change in eye position.
- However, the mirrors used in modern telescopes are not spherical they are rotations of parabolas or hyperbolas, since these more complex shapes reduce optical aberrations and give a larger field of view . ( See, for example, Ritchey-Chr�tien telescope or LSST . ) Non-spherical mirrors such as these will not give a null result when tested as above, and null results are strongly preferred ( they are very clean tests that require little interpretation, and the results translate directly to polishing requirements ).
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