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Home > NCERT Solutions > Karnataka Board > Class 11 > Geography > Fundamental Of Physical Geography > Chapter 8 Composition And Structure Of Atmosphere

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TextBook Solutions for Karnataka Board Class 11 Geography Fundamental Of Physical Geography Chapter 8 Composition And Structure Of Atmosphere

Question 1

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How is the atmosphere held to the earth?

Solution

Atmosphere is a gaseous envelope extending thousands of kilometres above the surface of the earth. It is held to it by the force of gravity.

Question 2

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What is the tropopause ?

Average

Question 3

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What is heterosphere?

Average

Question 4

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Which is the lowermost layer of the atmosphere ?

Easy

Question 5

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Which layer reflects the radio waves back to the earth ?

Easy

Question 6

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Which of the layers of the atmosphere is most ideal for flying the aeroplanes?

Easy

Question 7

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Which layer of the atmosphere absorbs the ultra-violet rays of the sun ?

Average

Question 8

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What is the importance of ionosphere ?

Average

Question 9

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Which gases do not take part in the chemical reactions?

Average

Question 10

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What are aerosols?

Average

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