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2 questions · 2022 · answers as per the UPSC key

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UPSC 2022 · Q34 · Science & Technology › Defence Technology · Save

Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in media ?

(a) A hypersonic missile is launched into space to counter the asteroid approaching the Earth and explode it in space.
(b) A spacecraft lands on another planet after making several orbital motions.
(c) A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth.
(d) A spacecraft moves along a comet with the same speed and places a probe on its surface.
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Answer: (c) A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth.
UPSC 2022 · Q77 · Science & Technology › Defence Technology · Save

Which one of the following statements best describes the 'Polar Code' ?

(a) It is the international code of safety for ships operating in polar waters.
(b) It is the agreement of the countries around the North Pole regarding the demarcation of their territories in the polar region.
(c) It is a set of norms to be followed by the countries whose scientists undertake research studies in the North Pole and South Pole.
(d) It is a trade and security agreement of the member countries of the Arctic Council.
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Answer: (a) It is the international code of safety for ships operating in polar waters.