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Jayant Vishnu Narlikar FNA, FASc, FTWAS (born 19 July 1938) is an Indian astrophysicist and emeritus professor at the Inter-University Centre for Astronomy and Astrophysics (IUCAA). [ 1] He developed with Sir Fred Hoyle the conformal gravity theory, known as Hoyle–Narlikar theory. It synthesises Albert Einstein 's theory of relativity and ...
Multiple choice. 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 correct answers from the choices offered as a list. The multiple choice format is most frequently used in educational testing, in market research, and in ...
The Sommerfeld extensions of the 1913 solar system Bohr model of the hydrogen atom showing the addition of elliptical orbits to explain spectral fine structure. The Bohr–Sommerfeld model (also known as the Sommerfeld model or Bohr–Sommerfeld theory) was an extension of the Bohr model to allow elliptical orbits of electrons around an atomic ...
Microsoft on Tuesday blamed Delta Air Lines for its weeklong bout of cancelations last month, claiming its aging technology caused the airline to recover far slower from the global tech outage ...
National Curriculum Framework 2005. The National Curriculum Framework 2005 (NCF 2005) is the fourth National Curriculum Framework published in 2005 by the National Council of Educational Research and Training (NCERT) in India. Its predecessors were published in 1975, 1988, 2000. The NCF 2005 serves as a guideline for syllabus, [ 1] textbooks ...
Newton's cradle. 3-D rendering of the cradle in motion. Newton's cradle is a device, usually made of metal, that demonstrates the principles of conservation of momentum and conservation of energy in physics with swinging spheres. When one sphere at the end is lifted and released, it strikes the stationary spheres, compressing them and thereby ...
[9] [10] This mention is found in the mythical story of creation embodied in the Puruṣasuktam. It describes the formation of the four varnas from the body of a primeval man . It states that the brahmin emerged from his mouth, the kshatriya from his arms, the vaishya from his thighs and the shudra from his feet.
Brahmagupta, according to his own statement, was born in 598 CE. Born in Bhillamāla in Gurjaradesa [ 7] (modern Bhinmal in Rajasthan, India) during the reign of the Chavda dynasty ruler Vyagrahamukha, his ancestors were probably from Sindh. [ 8][ 9] He was the son of Jishnugupta and was a Hindu by religion, in particular, a Shaivite. [ 10]