The ‘Black Hole’ theory waspropounded by
Question
The ‘Black Hole’ theory waspropounded by
Solution
The 'Black Hole' theory was propounded by John Michell in 1783. He was the first person to propose the concept of objects from which light could not escape, which we now call black holes. His work was later developed by other scientists, most notably Albert Einstein in his theory of general relativity.
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The ‘Black Hole’ theory waspropounded by [UPPCS (Mains) 2016UPPCS (Pre) 1996](A) C.V. Raman(B) H.J. Bhabha(C) S. Chandrashekhar(D) Hargovind Khurana8. A ‘black hole’ is a body in spacewhich does not allow any typeof radiation to come out. Thisproperty is due to its [IAS (Pre) 2000](A) Very small size(B) Very large size(C) High density(D) Very low density9. The terms ‘Event Horizon’,‘Singularity’, ‘String Theory’ and‘Standard Model’ are sometimesseen in the news in the context of[IAS (Pre) 2017](A) Observation and understandingof the Universe(B) Study of the solar and the lunareclipses(C) Placing satellites in the orbit ofthe Earth(D) Origin and evolution of livingorganisms on the Earth10. ‘Super Nova’ is[UP Lower Sub. (Mains) 2015](A) An asteroid (B) A black hole(C) A comet (D) A dyning star11. How many constellations are in ourSpace? [44th BPSC (Pre) 2000](A) 87 (B) 88(C) 89 (D) 9012. Which one of the following is not anAstronomical object?[UPPCS (Pre) 1996IAS (Pre) 1993](A) Pulsar (B) Brittle star(C) Black hole (D) Quasar13. A group of stars arranged in aparticular shape, is called[UPPCS (Pre) 2013](A) Milky Way (B) Constellation(C) Andromeda (D) Solar system
What is a black hole?
How does Stephen hawkings explain the singularity
In 1964 the Nobel Laureate Roger Penrose established the mathematical theory to describe how a black hole could exist. He derived his theory from Albert Einstein’s general theory of relativity and demonstrated that the formation of black holes was a natural process in which a supermassive object accumulates a gravitational force so great that nothing, not even light, can escape it. More perplexing, Penrose explained that at the center of a black hole as a singularity at which all known laws of nature dissolve. Which choice best states the main idea of the text?Choose 1 answer:Roger Penrose used mathematical theory to describe properties of black holes and demonstrate how black holes are formed.eliminateRoger Penrose described a novel mathematical theory based on Albert Einstein’s work.eliminateBlack holes are supermassive objects with a central singularity at which all known laws of nature dissolve.eliminateBefore Roger Penrose, no physicist was able to describe a mathematical theory to explain how black holes are formed.
What happens to matter and light that falls into a black hole, and what are some of the theories about the interior of a black hole?
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