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3 questions · 2009 · answers as per the UPSC key

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UPSC 2009 · Q68 · Science & Technology › Physics · Save

Which one of the following types of waves are used in a night vision apparatus ?

(a) Radio waves
(b) Microwaves
(c) Infra-red waves
(d) None of the above
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Answer: (c) Infra-red waves
UPSC 2009 · Q118 · Science & Technology › Physics · Save

Which one among the following has the highest energy ?

(a) Blue light
(b) Green light
(c) Red light
(d) Yellow light
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Answer: (a) Blue light
UPSC 2009 · Q140 · Science & Technology › Physics · Save

In the year 2008,

which one of the following conducted a complex scientific experiment in which sub-atomic particles were accelerated to nearly the speed of light ?

(a) European Space Agency
(b) European Organization for Nuclear Research
(c) International Atomic Energy Agency
(d) National Aeronautics and Space Administration
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Answer: (b) European Organization for Nuclear Research