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Question

# Which of the following will rise the highest?Air at 10oCAir at 40oCAir at 15oCAir at 5oC

A
Air at 40oC
B
Air at 15oC
C
Air at 10oC
D
Air at 5oC
Solution
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#### In hot air, the particles have higher kinetic energy and hence less density, so the air with the highest temperature will rise the highest.Therefore, air at 40oC will rise the highest.

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