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Astronomy and Space Science


19. 

The first satellite launched by India is

Answer : C. Aryabhatta

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20. 

MAtch List I correctly with List II and select your answer using the codes given below:

List I List II
a) Exosphere 1) Space surrounding the earth or any celestial body
b) Magnetosphere 2) Earth's atmosphere about 400 km above the earth's surface
c) Photosphere 3) Earth's atmosphere about 11 km above the earth's surface
d) Stratosphere 4) Visible portion of the sun

Answer : B. a-2 ,b-1,c-4 ,d-3

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21. 

One of the following is used for satellite communication in High Orbit?

Answer : B. Micro waves [Radio waves for Low orbit]

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22. 

Asia's biggest astronomical telescope is at

Answer : A. Kavalur

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23. 

Which one of the following is NOT an astronomical object?

Answer : B. Brittle star

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24. 

Artificial satellite are used for

Answer : D. All the three

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