- diverging beam
- • rozbiehavý zväzok
English-Slovak dictionary. 2013.
diverging beam
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diverging lens — noun a lens such that a parallel beam of light passing through it is caused to diverge or spread out • Syn: ↑concave lens • Hypernyms: ↑lens, ↑lense, ↑lens system * * * noun : a lens that causes divergence of rays and has a virtual focus for… … Useful english dictionary
diverging lens — Optics. a lens that causes a beam of parallel rays to diverge after refraction, as from a virtual image; a lens that has a negative focal length. Also called negative lens. Cf. converging lens. * * * … Universalium
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of … Wikipedia
Shear stress — SI symbol: τ SI unit: pascal Derivations from other quantities: τ = F / A … Wikipedia
Zoom lens — Nikkor 28 200 mm zoom lens, extended to 200 mm at left and collapsed to 28 mm focal length at right A zoom lens is a mechanical assembly of lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed… … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube … Universalium
Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right … Wikipedia
Dazzler (weapon) — Glare Mout dazzler made by B.E. Meyers A dazzler is a directed energy weapon intended to temporarily blind or disorient its target with intense directed radiation. Targets can include sensors or human vision. Dazzlers emit infrared or visible… … Wikipedia
