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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 2
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  1. When warm light air rises upward
  2. When all air freezes into solid
  3. When atmosphere is absent
  4. When the Sun stops giving energy
Hard · Level 2
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  1. Longwave energy escapes easily and mixing is weak
  2. The Sun gives more energy at night
  3. Clouds return all energy
  4. Sea stops all heat
Hard · Level 2
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  1. Because it can change the amount of absorbed energy globally
  2. Because it changes Earth's age
  3. Because it ends gravity
  4. Because it makes solar constant zero
Hard · Level 2
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  1. Their height thickness and radiation properties differ
  2. Because high clouds do not see the Sun
  3. Because low clouds do not touch energy
  4. Because clouds are only for rainfall
Hard · Level 2
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  1. Water has high heat capacity
  2. Water always has one hundred percent albedo
  3. Sea does not emit terrestrial radiation
  4. Water destroys solar energy
Hard · Level 2
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  1. Local pressure differences and sea land breezes
  2. Change in Earth's orbit
  3. Change in Sun's size
  4. Formation of lunar eclipse
Hard · Level 2
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  1. Earth system retains a major part of incoming energy
  2. Earth returns all energy
  3. Earth absorbs no energy
  4. Sun stops losing energy
Hard · Level 2
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  1. Making total outgoing energy equal to incoming energy
  2. Reducing Earth's gravity
  3. Increasing Sun's temperature
  4. Removing ocean salinity
Hard · Level 2
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  1. Completion of energy balance
  2. Permanent storage of energy
  3. Creation of solar energy
  4. Cause of ocean tides
Hard · Level 2
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  1. Direct longwave energy escaping to space may decrease
  2. Solar constant will immediately double
  3. Earth will stop receiving solar energy
  4. Albedo will always rise to one hundred percent
Hard · Level 2
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  1. Energy inequality creates pressure and density differences
  2. Energy inequality stops Earth's rotation
  3. Poles produce solar energy
  4. Equator emits no longwave radiation
Hard · Level 2
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  1. Cooling will slow down
  2. Cooling will immediately become infinite
  3. Surface will become the Sun
  4. Surface will stop emitting radiation
Hard · Level 2
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  1. Incoming energy is greater than outgoing energy
  2. Outgoing energy is greater than incoming energy
  3. Incoming energy is zero
  4. Reflection is one hundred percent
Hard · Level 2
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  1. Outgoing energy is greater than incoming energy
  2. Solar energy absorption is very high
  3. Albedo is zero
  4. Clouds stop all energy
Hard · Level 2
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  1. It changes albedo evapotranspiration and heat storage
  2. It stops solar energy
  3. It reduces Earth's distance
  4. It makes atmosphere solid
Hard · Level 2
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  1. Differences in surface moisture albedo and heat capacity
  2. Absence of Sun over both
  3. Same colour and same moisture of both
  4. Only length of river
Hard · Level 2
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  1. Snow has high albedo and ocean has high absorption
  2. Snow creates solar energy and ocean eats energy
  3. Ocean does not emit terrestrial radiation
  4. Snow removes atmosphere
Hard · Level 2
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  1. Evaporation and latent heat
  2. Rock formation
  3. Producing earthquakes
  4. Heating the Moon
Hard · Level 2
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  1. Strong terrestrial radiation rapidly lowers surface temperature
  2. The Sun makes frost at night
  3. Clouds heat the ground greatly
  4. Longwave energy is never formed in air
Hard · Level 2
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  1. Energy may also be used in evaporation conduction and heat transfer
  2. Energy never transfers
  3. All energy goes to Earth's core
  4. Energy becomes only sound
Hard · Level 2
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  1. Because daily and seasonal energy changes vary greatly
  2. Because weather does not change on Earth
  3. Because the Sun gives energy only for one day
  4. Because atmosphere is same everywhere
Hard · Level 2
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  1. Atmosphere is an active component of heat budget
  2. Atmosphere is passive and energyless
  3. Atmosphere only forms Earth's shape
  4. Atmosphere is the source of solar energy
Hard · Level 2
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  1. Energy changes form and path but total input and output remain equal in balance
  2. Energy is destroyed without reason
  3. Solar energy ends as soon as it reaches Earth
  4. Terrestrial radiation is not energy
Hard · Level 2
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  1. It creates pressure gradients and wind circulation
  2. It permanently stops all winds
  3. It changes the direction of the Sun
  4. It ends Earth's revolution
Hard · Level 2
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  1. Horizontal transfer of heat may decrease
  2. Solar radiation may stop
  3. Albedo may always become zero
  4. Atmosphere may disappear

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