General Science

English40th BPSC (Pre) 1995

Q2321.Sea seems blue due to

AExcess deepness BReflection of sky and scattering of light by the drops of water CBlue colour of water DUpper layer of water

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EnglishManipur PSC (Pre) 2018 UPPCS (Mains) 2010

Q2322.The concept of expanding universe is based on

ADoppler effect BStark effect CZeeman effect DRaman effect

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EnglishMaharashtra PSC (Pre) 2019 IAS (Pre) 1995

Q2323.Suppose a rocketship is proceeding from the Earth at a speed of 2/10th the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the Earth?

ABlue BOrange CYellow DYellow-Orange

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EnglishUttarakhand PCS (Pre) 2005 UPPCS (Pre) 1991, 2015

Q2324.In driving a car which type of mirror would you like to use for observing traffic at your back?

AConcave mirror BSpherical mirror CConvex mirror DPlain mirror

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English43rd BPSC (Pre) 1999

Q2325.For shaving, one uses

AConcave mirror BPlain mirror CConvex mirror DNone of the above

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EnglishUPPCS (Pre) 1993

Q2326.In order to avoid Sunlight, which of the following colour combination for an umbrella is most appropriate?

ATop black and bottom white BTop white and bottom black COnly black DOnly white

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EnglishUPPCS (Mains) 2013

Q2327.The image formed by astronomical telescope is

AVirtual and diminished BVirtual and magnified CReal and diminished DReal and magnified

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EnglishUPPCS (Mains) 2013 UPPCS (Pre) 1994, 2015

Q2328.The number of images of an object placed between two parallel mirrors is

ATwo BOne CSix DInfinite

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EnglishIAS (Pre) 1996

Q2329.When a mirror is rotated by an angle q, the reflected ray will rotate by

A0 Bq/2 Cq D2q

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English47th BPSC (Pre) 2005

Q2330.Light is made of seven colours. What is the method of separating the colours?

AThe colours can be separated by a prism BThe colours can be separated by a filter CThe colours can be separated by plants DThe colours cannot be separated

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EnglishRAS/RTS (Pre) 1999

Q2331.The correct order of colours in a rainbow is

ABlue, green, violet BViolet, green, blue CBlue, yellow, green DBlue, green, yellow

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EnglishUPPCS (Mains) 2012

Q2332.Which one of the following colours is seen in the middle of a Rainbow?

ABlue BGreen CRed DYellow

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EnglishNagaland PSC (Pre) 2018 UP Lower Sub. (Mains) 2015

Q2333.The terminal colour bands of the rainbow are

ABlue and Orange BGreen and Red CYellow and Green DViolet and Red

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EnglishMizoram PSC (Pre) 2015 43rd BPSC (Pre) 1999

Q2334.In which direction the rainbow is seen at 12 noon?

AIn the West BIn the South CIn the East DIt cannot be seen

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