Question

When air expands or contracts, what type of temperature change does it experience? Radiation , volume , external , adiabatic

Answer 1

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❖ The correct answer choice is D. adiabatic.

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Answer 2

Answer:

Option D, Adiabatic

Explanation:

Adiabatic temperature changes when the change is caused by gain or loss of external heat or gain or loss of any physical entity that brings in the change in temperature.  

Here in this case when the gas expands air molecules get more space and the density reduced thereby reducing the pressure. As the pressure reduces the temperature also reduces. Likewise, when the gas contracts, its volume and density decreases thereby increasing the pressure and hence the temperature

Hence, option D is correct