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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 4 · 25 questions

Practice questions

01Why is latent heat considered important in weather formation?

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02Why does temperature not rise excessively in equatorial regions despite strong insolation?

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03Why can urban areas remain warmer than rural areas at night?

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04Why is vertical heat transfer in the atmosphere more effective by convection than by conduction?

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05Why can pollutants get trapped near the ground under stable atmospheric conditions?

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06Which thermal process is first necessary for dew formation?

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07On which surface will temperature rise generally be lower for the same incoming solar energy?

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08Which example best explains sudden temperature change by horizontal air movement?

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09What difference from normal temperature arrangement occurs in temperature inversion?

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10In which area can nighttime radiational inversion generally be more pronounced?

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11If cold-air drainage is blocked in a valley, how will nighttime temperature be affected?

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12Why does the daily temperature range remain lower near water bodies?

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13In heat balance, terrestrial longwave radiation is especially important for what?

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14Why does a higher amount of water vapour keep nights relatively warmer?

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15Why can convection be stronger over a bare dry plain at noon?

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16Why is convection suppressed when a warm layer lies above a cold lower layer?

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17What can be the main reason maximum temperature decreases when cloud cover increases during the day?

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18Why does dry sandy soil heat faster than deep moist soil?

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19Why can nighttime temperature remain higher in humid regions than in dry regions?

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20Why is insolation alone not a sufficient indicator while understanding atmospheric temperature distribution?

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21If warm moist air from the sea moves over a cooler land area, what effect is possible on surface temperature and humidity?

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22In which condition will direct contact-based heat transfer from surface to atmosphere be greatest?

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23Why does maximum temperature often occur after the Sun's highest angle rather than immediately at it?

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24What is the main reason temperature falls rapidly after sunset?

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25If condensation occurs at cloud base during uplift, what happens to the cooling rate of rising air?

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