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Geography

The heat budget of the earth

पृथ्वी का ऊष्मा बजट

Class 11 Geography explores the heat budget of the Earth as the balance between incoming solar radiation and outgoing terrestrial radiation. Students learn how the atmosphere, land, oceans, clouds, and ice reflect, absorb, store, and redistribute heat, and why the Earth’s average temperature remains broadly stable. The topic connects this balance with the greenhouse effect, latitudinal differences in heating, and the movement of heat through the atmosphere and oceans.

TOPIC PRACTICE

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Up to 25 questions from this page. Select your focus, then start.

25 questions

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Hard · Level 6
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  1. Part of energy goes into water vapour as latent heat
  2. Energy goes to the Moon
  3. Energy becomes solar constant
  4. Energy always returns as reflection
Hard · Level 6
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  1. It gives energy to the atmosphere and can enhance convection
  2. It blocks solar energy and makes it zero
  3. It always reduces surface albedo
  4. It removes ocean salinity
Hard · Level 6
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  1. Because it also transfers heat vertically
  2. Because it creates solar energy
  3. Because it makes albedo permanent
  4. Because it makes Earth solid
Hard · Level 6
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  1. Because surplus heat of low latitudes reaches high latitudes
  2. Because poles produce solar energy
  3. Because there is no longwave radiation at the equator
  4. Because oceans are fixed rocks
Hard · Level 6
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  1. Heat transfer from warm regions to cold regions will decrease
  2. Solar radiation will stop
  3. Clouds will completely disappear
  4. Earth's albedo will always be zero
Hard · Level 6
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  1. Global atmospheric and oceanic circulation
  2. Only river deposition
  3. Only mountain building
  4. Only soil formation
Hard · Level 6
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  1. On a moist surface with enough water availability
  2. On a completely dry rocky surface
  3. In a snowy high albedo area
  4. On a sunless night
Hard · Level 6
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  1. Moisture heat capacity atmosphere and energy transfer also affect it
  2. Albedo has no relation with temperature
  3. Solar energy does not reach Earth
  4. Longwave radiation never occurs
Hard · Level 6
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  1. Between the surface and nearby air in contact with it
  2. Between the Sun and Moon
  3. Between ocean floor and space
  4. Between Earth's core and stars
Hard · Level 6
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  1. Some aerosols reflect and some can also absorb
  2. Aerosols always create the Sun
  3. Aerosols stop Earth's rotation
  4. Aerosols turn longwave energy into soil
Hard · Level 6
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  1. Stratospheric energy balance
  2. Salinity of ocean floor
  3. River deposition rate
  4. Earthquake intensity
Hard · Level 6
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  1. Longwave absorption and counter radiation would greatly decrease
  2. Incoming solar energy would completely stop
  3. Earth's revolution would stop
  4. Oceans would start producing solar energy
Hard · Level 6
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  1. It removes temporary fluctuations and shows normal energy condition
  2. It ends day and night
  3. It turns solar energy into a fixed object
  4. It removes albedo
Hard · Level 6
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  1. Strong radiative cooling on a clear dry calm night
  2. On a warm night with thick clouds
  3. With high water vapour and strong counter radiation
  4. During strong cloud reflection by day
Hard · Level 6
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  1. Terrestrial radiation tends to increase
  2. Terrestrial radiation completely stops
  3. Terrestrial radiation becomes solar shortwave
  4. Terrestrial radiation has no relation with temperature
Hard · Level 6
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  1. It returns heat to the surface and reduces net loss
  2. It pulls all heat from the surface
  3. It blocks and destroys solar radiation
  4. It changes Earth's axis
Hard · Level 6
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  1. High albedo returns a large part of solar energy
  2. Snow creates solar energy
  3. Snow emits no longwave radiation
  4. Snow makes the atmosphere disappear
Hard · Level 6
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  1. Due to dark colour and low albedo
  2. Due to one hundred percent reflection
  3. Due to absence of solar energy
  4. Due to non formation of longwave energy
Hard · Level 6
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  1. Absorption of solar shortwave at surface and emission as longwave
  2. Earth producing solar energy
  3. Moon sending terrestrial radiation
  4. Ocean creating gravity
Hard · Level 6
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  1. Rays spread over a larger area
  2. Rays do not reach Earth
  3. The Sun becomes longwave
  4. Atmosphere disappears completely
Hard · Level 6
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  1. Due to scattering and absorption less energy may reach the surface
  2. All energy increases and reaches the surface
  3. Solar energy changes into sea
  4. Longwave radiation stops forming
Hard · Level 6
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  1. Local albedo moisture clouds and surface properties differ
  2. Global balance has no relation with temperature
  3. All places receive equal energy
  4. There is no local weather on Earth
Hard · Level 6
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  1. Cloud type height thickness and day night condition change
  2. Clouds always give the same heat
  3. Clouds form only over oceans
  4. Clouds decide the solar constant
Hard · Level 6
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  1. Increase in average temperature
  2. End of Earth's gravity
  3. Sun becoming Earth
  4. Ocean salinity becoming zero
Hard · Level 6
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  1. Average cooling
  2. Complete end of albedo
  3. Increase in Sun's temperature
  4. Formation of solar radiation

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