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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.

Hard · Level 3 · 25 questions

Practice questions

01Under which condition is nocturnal radiational cooling likely to be the least?

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02What is the main reason for the formation of temperature inversion near the ground on a clear and calm night?

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03Why is the role of the surface considered most important in heating the lower atmosphere?

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04Why is atmospheric heating by conduction mainly limited very close to the ground?

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05What is the main reason convection currents become more active during unstable afternoon conditions?

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06If strong winds blow at night in an area, why does the chance of temperature inversion decrease?

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07Why is surface cooling generally lower on a cloudy night?

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08The large day-night temperature range in dry desert areas is most closely linked with which process?

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09How does condensation warm the atmosphere?

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10What is the process called when temperature changes due to horizontal arrival of warm or cold air?

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11Which thermal difference is decisive in the formation of sea breeze on a coast during the day?

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12What is the main reason for land breeze at night?

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13What is the main thermal reason for upslope wind on a mountain slope during the day?

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14Why does cold air accumulation in valleys at night increase the chance of frost?

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15If the atmosphere is relatively transparent to solar shortwave radiation, why does lower air not heat very strongly directly from the Sun?

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16Why are water vapour and carbon dioxide important in maintaining lower atmospheric temperature?

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17Which is the most appropriate reason temperature generally decreases with height?

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18Why does fog formation near the surface become more likely on a calm and clear night?

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19Why can the daytime maximum temperature in a dense forest be lower than in an open dry plain?

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20Why can black soil or asphalt surfaces become warmer than nearby light-colored surfaces during the day?

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21Why can air above fresh snow remain relatively cool even during the day?

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22How can a high amount of dust and smoke affect daytime temperature in a city?

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23In which condition will surface radiational cooling be most effective?

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24If moist air rises and condensation begins, why can the surrounding air become relatively warmer?

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25What does sensible heat mean in atmospheric temperature?

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