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NCERT has a comprehensive extension program in which departments of the National Institute of Education, Regional Institute of Education, Central Institute of Vocational Education, and field coaches' offices in the states are engaged in activities. Several programs are organized in rural and backward areas to reach out to functionaries in these ...
A multiple choice question, with days of the week as potential answers. Multiple choice (MC), [1] objective response or MCQ(for multiple choice question) is a form of an objective assessment in which respondents are asked to select only the correct answer from the choices offered as a list.
The light has gone out of our lives is a speech that was delivered ex tempore by Jawaharlal Nehru, [1] the first Prime Minister of India, on January 30, 1948, following the assassination of Mahatma Gandhi earlier that evening. It is often cited as one of the greatest speeches in history.
Class Title NELM Approx. SQM [3] mag/arcsec 2 Description 1 Excellent dark-sky site 7.6–8.0 21.76 - 22.0 the zodiacal light is visible and colorful; the gegenschein is readily visible; the zodiacal band is visible; airglow is readily visible; the Scorpius and Sagittarius regions of the Milky Way cast obvious shadows
Ole Rømer (1644–1710) became a government official in his native Denmark after his discovery of the speed of light (1676). The engraving is probably posthumous. Rømer's determination of the speed of light was the demonstration in 1676 that light has an apprehensible, measurable speed and so does not travel instantaneously.
Augustin-Jean Fresnel [Note 1] (10 May 1788 – 14 July 1827) was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance of the wave theory of light, excluding any remnant of Newton's corpuscular theory, from the late 1830s [3] until the end of the 19th century.
The example of His light [Note 2] is like a niche within which is a lamp; [Note 3] the lamp is within glass, the glass as if it were a pearly [white] star lit from [the oil of] a blessed olive tree, neither of the east nor of the west, whose oil would almost glow even if untouched by fire. Light upon light.
Its light echoes have aided in mapping the morphology of the immediate vicinity [5] as well as in characterizing dust clouds lying further away but close to the line of sight from Earth. [6] Another example is the SN 1572 supernova observed on Earth in 1572, where in 2008, faint light-echoes were seen on dust in the northern part of the Milky Way.