- optical metre
- Метрология: оптический метр (мера длины, основанная на длине волны видимого излучения)
Универсальный англо-русский словарь. Академик.ру. 2011.
optical metre
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Optical power — For the power of light, see Radiant flux and Luminous flux. Optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or… … Wikipedia
optical interferometer — ▪ instrument instrument for making precise measurements for beams of light of such factors as length, surface irregularities, and index of refraction. It divides a beam of light into a number of beams that travel unequal paths and whose… … Universalium
50 metre pistol — Infobox Shooting sport shots m=60 + 10 shots f= olympics m=Since 1896 olympics f= worlds m=Since 1900 worlds f= abbr m=FP abbr f=50 metre pistol (formerly called free pistol ) is one of the ISSF shooting events. It provides the purest precision… … Wikipedia
10 metre air pistol — Infobox Shooting sport shots m=60 + 10 shots f=40 + 10 olympics m=Since 1988 olympics f=Since 1988 worlds m=Since 1970 worlds f=Since 1970 abbr m=AP60 abbr f=AP4010 metre air pistol is an Olympic shooting event governed by the International… … Wikipedia
List of largest optical reflecting telescopes — The following is a list of the largest optical reflecting telescopes sorted by mirror diameter. Note that two of the first three are not yet operational. This list does not currently include telescopes that are still in the conceptual/proposed… … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… … Wikipedia
