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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 3 · 25 questions

TOPIC PRACTICE

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25 questions

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  1. Surface receives energy then radiation conduction convection advection and latent heat exchange energy
  2. Only the Sun directly heats all air equally
  3. Only ozone heats the lower air
  4. Only clouds determine temperature
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  1. Dry bare soil and strong sunshine
  2. Irrigated grassy surface and enough moisture
  3. Black asphalt road and low humidity
  4. Snow covered surface and strong reflection
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  1. High albedo and low heat storage
  2. Heat storage by concrete and trapping of longwave radiation
  3. More snowfall and less solar absorption
  4. Direct effect of ocean currents
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  1. Clear calm long night
  2. Pooling of cold air on valley floor
  3. Vertical mixing by strong wind
  4. Dry air and open sky
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  1. Latent heat flux
  2. Sensible heat flux
  3. Marine heat flux
  4. Glacial heat flux
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  1. Because the surface heats lower air through terrestrial radiation conduction and convection
  2. Because the Sun shines only in the lower atmosphere
  3. Because upper air has no gases
  4. Because oceans touch upper air
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  1. Dry air absorbs less longwave radiation
  2. Dry air increases the Sun at night
  3. Dry air changes the solar constant
  4. Dry air causes rainfall at all times
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  1. Strong afternoon convection
  2. Night temperature inversion and weak wind
  3. Dense daytime rain cloud
  4. Strong entry of sea breeze
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  1. It can lower maximum temperature by reducing incoming shortwave energy
  2. It brings the ground closer to the Sun
  3. It completely stops terrestrial radiation and makes daytime temperature infinite
  4. It makes pressure zero and fixes temperature
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  1. Clouds absorb terrestrial longwave radiation and counter radiate
  2. Clouds send the Sun to the surface at night
  3. Clouds remove all gases
  4. Clouds make surface heat capacity zero
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  1. Because it reflects more energy
  2. Because it absorbs more solar energy
  3. Because it has no terrestrial radiation
  4. Because it removes the atmosphere
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  1. High specific heat of water and vertical mixing
  2. Complete absence of solar radiation in sea
  3. Albedo of water always being zero
  4. Absence of air over sea
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  1. Land cools quickly and forms high pressure
  2. Sea freezes immediately
  3. Low pressure becomes permanent over land
  4. The Sun heats land at night
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  1. Sea heats faster than land and forms high pressure
  2. Land heats faster and forms low pressure
  3. Land and sea keep equal pressure
  4. Sea water has no heat
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  1. Cold dry stable air
  2. Strong surface heating and high moisture
  3. Clear dry night and strong frost
  4. High albedo snow surface
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  1. It can strengthen convection by giving extra energy to rising air
  2. It completely stops convection in all conditions
  3. It only reduces surface albedo
  4. It chemically destroys air
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  1. Strong heating of slopes lifts air upslope
  2. Night cooling of slopes sends air downward
  3. Sea waves climb mountains
  4. Snow surface stops all winds
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  1. Radiational cooling of slopes and downslope flow of cold dense air
  2. Entry of warm air from sea
  3. Afternoon convective heating
  4. Lengthening of polar day
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  1. Strong dry hot wind
  2. Clear calm moist night
  3. Intense noon convection
  4. Snowless high desert
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  1. Cold dry air stays over a warm surface
  2. Warm moist air flows over a cold surface
  3. Cold air goes above a warm cloud
  4. Dry air is trapped below snow
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  1. Surface heating increases convection and turbulence
  2. Terrestrial radiation stops at night
  3. The Sun heats only at height
  4. Water vapour falls and becomes rock
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  1. Radiational cooling of surface and weak vertical mixing
  2. Sun being at maximum altitude
  3. Extreme solar absorption by surface
  4. Ending of ocean currents
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  1. When much energy goes into evaporation and ground heat storage
  2. When surface is completely dry and dark
  3. When sensible heat is very high
  4. When wind brings warm air
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  1. Very wet surface and intense evaporation
  2. Dry surface and higher sensible heat
  3. Thick cloud and low temperature range
  4. Snow surface and zero heating
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  1. A large part of energy is going into evaporation
  2. All energy is locked in rocks
  3. There is no latent heat
  4. The surface is completely dry

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