General Science

Q2101.Which one of the following pairs is not correctly matched?

ADiscovery of Meson - Hideki Yukawa BDiscovery of Positron - C.D. Anderson and U.F. Hess CTheory of energy production in the Sun and stars - H.A. Bethe DSynthesis of transuranic elements - Enrico Fermi

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Q2102.A computer derives its strength from

AIts speed BAccuracy CMemory DAll of these

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Q2103.The most reactive among the Halogens is

AFluorine BChlorine CBromine DIodine

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Q2104.Which one of the following is not correct?

ATheory of evolution was propounded by Charles Darwin BThe breaking apart of the nucleus of an atom is called fusion C‘Dry ice’ is nothing but solid carbon dioxide DTelephone was invented by Graham Bell

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Q2105.Multimedia can contain

ANumeric, text and picture data BGraphics, animation, video, music and voice COnly numeric type data DNone of the above

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Q2106.The halogen being used as analgesic is

AChlorine BBromine CIodine DFluorine

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Q2107.The unit of work is

AJoule BNeutron CWatt DDyne

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Q2108.An air bubble in water will act like a

AConvex mirror BConvex lens CConcave mirror DConcave lens

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Q2109.The SI unit of electrical resistance of conductor is

AFaraday BVolts CAmpere DOhm-metre

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Q2110.An air bubble inside water behaves as a

ABifocal lens BConvergent lens CDivergent lens DCylindrical lens

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Q2111.The unit of power is

AHertz BVolts CWatt DNeutrons

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Q2112.The minimum height of a plane mirror to see the full size image of a person is equal to

AThe height of the person BHalf the height of the person COne-fourth the height of the person DDouble the height of the person

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Q2113.The unit of the force is

AFaraday BFermi CNewton DRutherford

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Q2114.The radius of curvatute of the plane mirror is

AZero BOne CInfinity DBetween one and infinity

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Q2115.Light year is the unit of

ADistance BTime CSpeed of light DIntensity of light

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Q2116.The minimum height of mirror required to see whole stand up image of a man of height 1.50 metre shall be

A0.75 metre B1.00 metre C1.50 metre D3.00 metre

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Q2117.Which one of the following is the unit of measure of the thickness of the ozone layer of the atmosphere?

AKnot BDobson CPoise DMaxwell

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Q2118.To remove the defect of long sightedness one uses

AConcave lens BConvex mirror CConvex lens DConcave mirror

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Q2119.‘Light Year’ is

AThe year in which February has 29 days BThe distance travelled by light in one year CThe time which Sun rays take to reach the Earth DThe time in which a spacecraft reaches Moon from the Earth

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Q2120.Which one of the following statement is not true for a person suffering from hypermetropia?

AThe person can see far objects distinctly BThe focal length of the lens is large CThe image of the close objects is focused behind the retina DA concave lens is used to correct this defect

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