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Subjects

Geography

Heating and cooling of the atmosphere

In this Class 11 Geography topic, students learn how the atmosphere is heated and cooled through incoming solar radiation and outgoing terrestrial radiation. The lesson explains Earth’s heat balance and the roles of conduction, convection, advection, and latent heat in transferring energy through the atmosphere. Students also examine how land and water surfaces, cloud cover, humidity, and atmospheric circulation influence temperature patterns and help produce differences between places and times.

Expert · Level 6 · 25 questions

Practice questions

01Why does mountain breeze blow downslope at night?

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02What is the basic cause of convective cloud formation in a tropical afternoon?

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03How does atmospheric turbulence help in heat distribution?

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04How can dust and aerosols affect daytime surface temperature?

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05Why does minimum temperature not fall very low on a foggy night?

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06Why can daytime temperature be higher under a clear sky than under a cloudy sky?

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07Why does high humidity reduce night cooling in coastal areas?

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08Why can stronger wind reduce vertical temperature difference near the surface?

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09Why can pollution and cold air remain trapped near the surface in calm air?

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10How can slope aspect affect temperature?

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11Which night is colder between a cloudy night and a clear night?

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12With what is sensible heat flux related?

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13If the surface is warm and the air above it is cool, what is the usual direction of heat flow?

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14What does the relatively low absorption of solar shortwave radiation by the atmosphere indicate?

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15Why is terrestrial radiation called longwave radiation?

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16How does the greenhouse effect increase atmospheric heating?

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17Why is uneven surface heating important for the beginning of convection?

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18If the sky is clear and the land is dry, why will night cooling be stronger?

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19What is the role of radiational cooling in frost formation?

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20Why does the ocean surface behave differently from land in atmospheric heating?

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21When is air stability reduced by surface heating?

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22Why does descending air in anticyclonic conditions often become warmer?

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23Why does a foehn like warm dry wind feel hotter on the leeward slope?

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24Which process transfers heat vertically most rapidly near the surface during daytime?

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25In the context of heat balance, atmospheric cooling is mainly associated with what?

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