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3 questions · 2006 · answers as per the UPSC key

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UPSC 2006 · Q18 · Science & Technology › Space Technology & Astronomy · Save

Assertion (A): To orbit around the Sun, the planet Mars takes lesser time than the time taken by the Earth.

Reason (R): The diameter of the planet Mars is less than that of the Earth.

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (d) A is false but R is true
UPSC 2006 · Q37 · Science & Technology › Space Technology & Astronomy · Save

What is the approximate mean velocity with which the Earth moves round the Sun in its orbit?

(a) 20 km/s
(b) 30 km/s
(c) 40 km/s
(d) 50 km/s
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Answer: (b) 30 km/s
UPSC 2006 · Q64 · Science & Technology › Space Technology & Astronomy · Save

Consider the following statements in respect of India's advanced satellite INSAT–4A :

  1. INSAT–4A was launched in December, 2005 from New Mexico.
  2. The European commercial launch service provider Arianespace was associated with the launch of INSAT–4A.
  3. Tata-Sky—a digital cable service provider is associated with DTH television broadcasting services from INSAT-4A.

Which of the statements given above are correct?

(a) 1, 2 and 3
(b) 1 and 2, only
(c) 2 and 3, only
(d) 1 and 3, only
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Answer: (c) 2 and 3, only