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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

TOPIC PRACTICE

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  1. It is stored and released during changes of state of water
  2. It only increases the hardness of rocks
  3. It always makes air pressure zero
  4. It blocks and eliminates solar heat
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  1. Cloud reflection and evaporative cooling regulate surface heating
  2. The Sun does not shine at the equator
  3. There is no water vapour at the equator
  4. Clouds always increase temperature infinitely
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  1. Concrete and asphalt store daytime heat and release it slowly at night
  2. The Sun shines at night in cities
  3. Gravity is greater in rural areas
  4. Cities have complete absence of air
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  1. In convection the air mass itself moves up and down
  2. In conduction air masses form strong cyclones
  3. Convection occurs only in solid rocks
  4. Conduction always heats the whole troposphere instantly
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  1. Vertical mixing is weak and inversion can stop rising air
  2. Convection becomes extremely strong
  3. All pollutants turn into clouds
  4. Solar radiation stops touching the ground
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  1. Cooling of the surface and nearby air to the dew point
  2. Boiling of the surface
  3. Doubling of solar radiation
  4. Air becoming completely dry
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  1. Dry black rock
  2. Wet soil surface
  3. Asphalt road
  4. Black roof
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  1. Entry of a cold wave into a region
  2. Heating by direct contact with the ground
  3. Upslope movement of air during the day
  4. Conversion of water into vapour
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  1. Temperature increases with height instead of decreasing
  2. Pressure begins to increase with height
  3. Water vapour disappears from air
  4. Solar radiation stops at the surface
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  1. Open clear and calm area
  2. Stormy sea coast
  3. Warm area with thick clouds
  4. Windy mountain peak
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  1. Valley floor may become colder because cold air will accumulate
  2. Valley floor will instantly become a desert
  3. There will be no effect on temperature
  4. The Sun will heat the valley at night
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  1. Water has high heat capacity and heats and cools slowly
  2. Water always makes solar radiation zero
  3. Water has no heat absorption
  4. Water heats rapidly only at night
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  1. Heating the atmosphere from below
  2. Stopping the Moon's motion
  3. Permanently freezing seawater
  4. Creating solar rays
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  1. Water vapour absorbs and re-emits longwave radiation
  2. Water vapour removes all clouds
  3. Water vapour makes the surface transparent
  4. Water vapour only forms snow
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  1. The surface heats rapidly and makes nearby air lighter
  2. The surface receives no energy from the Sun
  3. There is no air over a dry plain
  4. Gravity disappears at noon
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  1. The lower cold air remains dense and unable to rise
  2. The upper warm air forms sea breeze
  3. Cold air always blocks the Sun
  4. Convection can occur only in water
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  1. Clouds reflect part of incoming solar radiation
  2. Clouds stop Earth's rotation
  3. Clouds bring the surface closer to the Sun
  4. Clouds eliminate all latent heat
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  1. It has low heat capacity and less energy is used in evaporation
  2. Sunlight cannot enter it
  3. Its albedo is always zero
  4. It is heated only by the Moon
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  1. Water vapour and clouds reduce loss of longwave radiation
  2. The Sun gives energy at night in humid regions
  3. Humid air has no heat
  4. Dry air always forms clouds
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  1. Because surface nature, clouds, moisture, winds, and heat transfer also control temperature
  2. Because insolation has no relation with temperature
  3. Because heat cannot be measured in air
  4. Because surface is identical everywhere
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  1. Advection can bring both heat and moisture
  2. Conduction will make the sea disappear
  3. Radiation will eliminate moisture
  4. Convection will always stop
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  1. When air is very close to the ground and the surface is warm
  2. When air is only in the stratosphere
  3. When surface and air have no contact
  4. When the Sun is below the horizon and the surface is snow-covered
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  1. For some time the surface gains more energy than it loses, so heat keeps accumulating
  2. The Sun comes closer to Earth after noon
  3. Night radiation starts at noon
  4. Air has no heat storage
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  1. Solar energy input stops while terrestrial longwave radiation continues
  2. The surface suddenly starts producing energy
  3. Atmospheric pressure becomes zero
  4. Water vapour increases all heat
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  1. Latent heat release reduces the cooling rate
  2. Cooling rate becomes infinite
  3. Air stops warming and becomes solid
  4. Condensation has no effect on temperature

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