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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.

Medium · Level 8 · 25 questions

Practice questions

01What effect can water vapour have on nighttime temperature?

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02Why is daily temperature range high in dry desert regions?

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03What is the main thermal cause of the urban heat island effect?

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04Through which process does vegetation cover help in local cooling?

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05Why does a high-albedo surface heat less?

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06What is the main physical reason for temperature fall in rising air?

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07Warming of descending air is explained by which process?

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08Which is the most correct comparative statement about convection and advection?

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09When does a warming condition occur in heat balance?

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10If heat loss is greater than energy gain, which process will dominate?

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11Why can temperature range be lower in humid and cloudy regions?

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12Why can pollutants get trapped near the ground during inversion?

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13What role does land-water temperature difference play in sea breeze formation?

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14Why does land breeze form at night?

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15Why can dust and smoke reduce daytime surface heating?

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16What is the role of surface cooling in dew formation?

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17Which condition is most favourable for frost formation?

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18What is the major thermal difference between frost and dew?

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19Under which condition can daily temperature range be highest?

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20Why can daily temperature range be low if the day is hazy and night is cloudy?

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21What causes the relation between surface colour and temperature?

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22Why is radiation considered a special method of heat transfer?

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23Why is conduction less effective in air?

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24Which condition most helps in forming convection currents?

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25How does longwave radiation help in atmospheric cooling?

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