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World Geography English IAS (Pre) 2017

Q1021.The terms ‘Event Horizon’, ‘Singularity’, ‘String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of

AObservation and understanding of the Universe BStudy of the solar and the lunar eclipses CPlacing satellites in the orbit of the Earth DOrigin and evolution of living organisms on the Earth

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World Geography English IAS (Pre) 2000

Q1022.A ‘black hole’ is a body in space which does not allow any type of radiation to come out. This property is due to its

AVery small size BVery large size CHigh density DVery low density

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World Geography English UPPCS (Mains) 2016 UPPCS (Pre) 1996

Q1023.The ‘Black Hole’ theory was propounded by

AC.V. Raman BH.J. Bhabha CS. Chandrashekhar DHargovind Khurana

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World Geography English UPPCS (Pre) 1997

Q1024.Which is a celestial phenomenon occuring due to stars?

AOzone hole BBlack hole CRainbow DComet

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World Geography English UPPCS (Pre) 1997

Q1025.The limit beyond which stars suffer internal collapse is called

AChandrashekhar limit BEddington limit CHoyle limit DFowler limit

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World Geography English UPPCS (Pre) 2001

Q1026.The milky way is classified as

ASpiral Galaxy BElectrical Galaxy CIrregular Galaxy DRound Galaxy

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World Geography English UPPCS (Pre) 2016 RAS/RTS (Pre) 2007

Q1027.‘Big Bang theory’ is related to

AContinental Drifts BOrigin of the Universe COrigin of the Himalayas DEruption of Volcanoes

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World Geography English IAS (Pre) 1994

Q1028.The colour of star indicates its

ADistance from Sun BLighting or glow CDistance from Earth DTemperature

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World Geography English 40th BPSC (Pre) 1995 IAS (Pre) 1994

Q1029.Time taken by the Sun to revolve around the centre of our galaxy is

A2.5 crore years B10 crore years C25 crore years D50 crore years

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