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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 4 · 25 questions

Practice questions

01Why does maximum temperature often occur after the time of maximum solar altitude?

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02Why is minimum temperature found just before sunrise?

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03Under which condition can horizontal cold advection lower temperature faster than local energy balance alone?

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04How can a warm dry westerly wind change temperature and moisture in an area?

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05By which combined process can dense vegetation reduce local temperature?

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06If surface temperature is much higher than air temperature which process may intensify?

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07What effect can high dust and aerosol amount have on surface heating during daytime?

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08What is the main radiational reason for low daytime temperature over a snow surface?

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09Under which condition can vertical air motion near an urban road be stronger at noon?

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10Which statement correctly describes the limited but necessary role of conduction?

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11What is the correct directional difference between convection and advection?

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12Why can a stable atmospheric layer prevent surface pollution from rising?

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13Under which condition will buoyancy of surface air increase most?

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14Why can daytime maximum temperature in a humid tropical area be lower than in a desert?

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15Why is the day night temperature range very large in deserts?

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16If clouds lower temperature by day and raise it by night what principle does this show?

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17Why does water present on a surface regulate temperature through evaporation?

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18Why is long term balance between incoming and outgoing energy important in heat balance?

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19Greenhouse gases keep the lower atmosphere warm mainly by interacting with which wavelength energy?

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20Why is water vapour considered a factor with a dual role in temperature control?

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21Under which condition is frost formation most likely?

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22Why can night temperature near a lake remain higher than over an open dry field?

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23How do surface colour and texture affect local temperature?

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24If trees and water bodies are increased in a city what effect can occur on the heat island?

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25Which sequence best explains cloud formation from a moist surface in afternoon?

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