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In a prism, the angle of deviation (δ) decreases with increase in the angle of incidence (i) up to a particular angle.This angle of incidence where the angle of deviation in a prism is minimum is called the minimum deviation position of the prism and that very deviation angle is known as the minimum angle of deviation (denoted by δ min, D λ, or D m).
The M2 gas mask was a French -made gas mask used by French, British and American forces from April 1916 to August 1918 during World War I. [1] The M2 was fabricated in large quantities, with about 29,300,000 being made during the war. [2] It was intended to protect the wearer from at least five hours' exposure to phosgene gas, a common chemical ...
While the term "fabric" has also been used in association with storage area networks and with switched fabric networking, the introduction of compute resources provides a complete "unified" computing system. [citation needed] Other terms used to describe such fabrics include "unified fabric", "data center fabric" and "unified data center fabric".
The first United States census in 1790 classed residents as free White people (divided by age and sex), all other free persons (reported by sex and color), and enslaved people. The 2000 census officially recognized six racial categories including people of two or more races; a category called "some other race" was also used in the census and ...
The dual of a pentagonal prism is a pentagonal bipyramid. The symmetry group of a right pentagonal prism is D 5h of order 20. The rotation group is D 5 of order 10. Volume. The volume, as for all prisms, is the product of the area of the pentagonal base times the height or distance along any edge perpendicular to the base.
The Watergate scandal was a major political controversy in the United States during the presidency of Richard Nixon from 1972 to 1974, ultimately resulting in Nixon's resignation. It originated from attempts by the Nixon administration to conceal its involvement in the June 17, 1972 break-in at the Democratic National Committee headquarters ...
Contents. Chemical weapons in World War I. A French gas attack on German trenches in Flanders, Belgium (1917). The use of toxic chemicals as weapons dates back thousands of years, but the first large-scale use of chemical weapons was during World War I. [1] [2] They were primarily used to demoralize, injure, and kill entrenched defenders ...
Moire (fabric) Moire ( / ˈmwɑːr / or / ˈmɔːr / ), less often moiré, is a textile with a wavy (watered) appearance produced mainly from silk, but also wool, cotton and rayon. The watered appearance is usually created by the finishing technique called calendering. Moiré effects are also achieved by certain weaves, [1] such as varying the ...
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